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Changes to the Comprehensive Rules (Unofficial)

Peter Costantinidis

Here are my observations on the latest changes to the Comprehensive Rules. I produced these using fairly crude file comparison tools to identify what changed and then editing the differences.

There were a lot of changes to the Glossary. About two thirds of this document covers Glossary changes.

Please don't consider this to be in any way "official". I rushed this out just prior to leaving for GP San Diego.

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These are rule numbers that did not exist in the April version.  These
rules don't necessarily change the way the game is played.

103.2		300.6		410.11
212.2a-d	406.2e		412.3
217.2d		408.g		412.4
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These rule numbers do not exist in the November version.

410.8a
    Some triggered abilities watch for a game state, such as a
    player's life total or the number of cards in play, rather than
    an event. These abilities trigger as soon as the game state
    matches their condition (even if it's not otherwise legal to
    play a spell or ability at that time). These are called "state
    triggers." (Don't confuse state triggers with state-based
    effects.)
410.8b
    State-triggered abilities don't trigger again until the initial
    condition has resolved or been countered. Then, if the permanent
    with the ability is still in play and the game state still
    matches its trigger condition, the ability will trigger again.
419.8c
[Redundant with 419.8a.]
    If multiple replacement effects create a loop, the affected
    player or the controller of the affected permanent or zone
    decides where to break the loop.

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This section contains rules that have changed enough that I found
something interesting about the change.  Indented text has been quoted
directly from the rules.

102.2
Losing because of drawing out is now a state-based effect:
    When a player is required to draw more cards than are left in
    his or her library, he or she draws the remaining cards, then
    loses the game the next time a player receives priority. (This
    is a state-based effect. See rule 420, "State-Based Effects.")

214.5
Clarifications about interactions between type-changing abilities and
continuous effects.
    The initial value of a permanent's characteristic is the value
    printed on the card or specified by the spell or ability that
    create the token or changed the type of the permanent. Using a
    type-changing ability that says it changes a characteristic
    changes the initial values of characteristics stated in the
    ability's text, not the current values. Continuous effects that
    don't change the type of a permanent affect current values of
    characteristics and can override characteristics set by
    type-changing abilities.

    EXAMPLE: A player plays an artifact's ability that reads "2:
    This permanent is a 3/2 artifact creature." Later in the turn,
    the artifact creature is affected by an ability that reads
    "Target creature is 0/2." At this point, playing the ability of
    the artifact again won't do anything; because the type-changing
    ability changes characteristics at the initial level, it can't
    override the effect. The artifact creature remains 0/2.

214.8d
Used to specify that the "controller" chooses the permanent to enchant,
now it is the player putting it into play.

215.2
Added:
    If a "Legendary" noncreature permanent becomes a creature, it
    gets the creature type "Legend" for as long as it's a creature.
    If a creature of type "Legend" becomes a noncreature permanent,
    it's a "Legendary" permanent of the new type. In other words,
    they mean the same thing, except that one refers to creatures
    and the other to noncreatures.

216.1
Specifies controller and owner of tokens:
    Some spells and abilities put a token creature into play. The
    token is controlled by whoever put it into play and owned by the
    controller of the spell or ability that created it. The rules
    text of the spell or ability defines the initial characteristics
    of the token it creates. A token's name is its creature type
    unless otherwise specified; for example, the creature type of a
    Goblin token is Goblin. Once a token is in play, changing its
    name doesn't change its creature type, and vice versa.

217.5d
Cards outside the in-play zone aren't controlled by anyone.

300.3
Effects scheduled to last until some phase/step now expire at the
beginning of that phase/step, instead of the end of the preceding
phase/step.

303.1
Specifies that abilities triggering during the untap step go on the stack
at the beginning of the upkeep step.

308.5, 309.3
Added "and all <*> costs have been paid" to the definition of an attacking
or a blocking creature (<*> is "attacking" or "blocking").

310.1b-d
Changed "will deal" to "will assign".

406.1a
Specifies that mana abilities are activated abilities.

406.1b
Added:
    Triggered abilities that put mana into a player's mana pool but
    trigger from events other than activating mana abilities aren't
    mana abilities. They go on the stack and resolve like any other
    triggered ability.
408.1b
Added the following about the resolution of state-based effects:
    Each time a player receives priority, all applicable state-based
    effects resolve (See rule 420, "State-Based Effects"), then
    triggered abilities are added to the stack (See rule 410,
    "Handling Triggered Abilities"); these steps repeat until no
    further state-based effects or triggered abilities are
    generated. Then the player may play a spell, ability, or land as
    governed by the rules for that phase.

409.1e
Has been generalized to apply to more than just dividing damage.

409.1f
Costs can be paid in any order.

410.2
Clarification of "may" in triggered abilities:
    If the ability says a player "may" do something, that player
    controls the triggered ability and the pseudospell. If the
    ability says this for more than one player, it generates one
    pseudospell per player. If the ability doesn't use the word
    "may," the controller of the source of the triggered ability
    controls the ability (and the pseudospell).

410.5
Rewritten to make much more sense (no longer described as "modal"):
    Some triggered abilities give a player a choice of completing an
    action or doing nothing (denoted with the word "may"). This
    choice is made at the time the ability would be put on the
    stack. If the player chooses to complete the action, a
    psuedospell is added to the stack. Otherwise, nothing is added
    to the stack; the ability is ignored. This doesn't apply to a
    triggered ability that requires a player to do something
    "unless" that player pays the alternative requirement.

419.5
Added:
    Note that the modified event may contain instructions that can't
    be carried out, in which case the player simply ignores the
    impossible instruction.

419.6b
Corrected description of regeneration to be a "destruction-replacement
effect" instead of a "damage-replacement" effect. Added the following:

    Note that if destruction is caused by lethal damage, any
    abilities that trigger from that damage being dealt still
    trigger even if the permanent regenerates.

420.5a
Added:
    ...who was required to draw more cards than were in his or her
    library...

420.5b
Now effects creatures with less than 0 toughness.

420.5c
Defines lethal damage.

501.3
Added (reminder text).

502.3a
Now specifies when flanking triggers.
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Deleted Glossary entries:

Legend/Legend Rule
	[Changed to "Legend/Legendary".]
Legendary
----- ----- ----- ----- -----
----- ----- ----- ----- -----
New Glossary entries:

"As though" 	[Good examples.]
Could	["any time you could play" or "mana [permanent] could produce."]
Defending Player
Land Type
Legend/Legendary
Mana Source
Number
Obsolete
Postcombat
Precombat
Removed from Combat
Search
State Triggers
Timestamp Order
Unless
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Glossy Change (Detailed Descriptions)

This section covers changes to existing Glossary entries. In general, most
changes involved the addition of a phrase or sentence to the existing
entry. Where this is the case, the added text is simply listed without any
comments from me. Sometimes, such as when there are multiple,
non-contiguous, changes, the entire definition is included.

Some entries reference Appendix B, "Older Rules." These entries are
mentioned below.

Ability
    When an effect states that a permanent "gains" or "has" an ability,
    it's granting that permanent an ability. If an effect defines a
    characteristic of the permanent ("[permanent] is [characteristic]"),
    it's not granting an ability.

Active Player
States that the active player does not get priority at for the begin of
untap and clean-up steps.

Artifact Creature
    "Artifact" isn't a creature type. Most artifact creatures have no
    creature type. Those with a creature type will say "Artifact
    Creature - [type]"; for example, "Artifact Creature - Golem."

Attack
    Using a spell or ability (even during the combat phase) is never
    considered to be an attack.

Banding, Bands with Other (Obsolete)
References Appendix B, "Older Rules."

    Snow-covered lands are still basic lands, for example, Snow-Covered
    Plains is considered a plains.

Bury (Obsolete)
    For most purposes, "bury" is equivalent to "destroy [this
    permanent]; it can't be regenerated."

Buyback
New references rule 413.2h.
    If for some reason the card wouldn't otherwise go to its
    controller's graveyard, it doesn't go to his or her hand; it goes to
    wherever it's otherwise destined.

Casting Cost (Obsolete)
    The obsolete term "total casting cost" means "converted mana cost."

Characteristics
The word "exclusively" now modifies the list. Added "what it enchants" to
the list of things that are not characteristics.

Color
    If an effect gives a permanent a new color, the new color replaces
    all previous colors rather than adding to them.

Colorless
    Lands and artifacts are colorless because they have either no mana
    cost or no colored mana in their mana costs. They can be given a
    color by effects.

Comes into Play [Improved definition]
    A permanent comes into play when the card or token representing
    it is moved into the in-play zone. A permanent whose type or
    controller changes doesn't "come into play."

	Permanents come into play untapped and under the control of
	whoever put them into play.

	Instructions that alter permanents coming into play do so as
	they come into play. For example, if an instruction causes
	something to come into play tapped, it isn't put into play
	untapped and then tapped. The controller-to-be of that
	permanent makes any choices required by the instruction.

	When a permanent comes into play, first apply any "as [card]
	comes into play" text, then apply any "[card] comes into
	play with" text, then apply continuous effects, then check
	to determine if the current form of the permanent generates
	any triggered abilities.

Converted Mana Cost
    The old term for converted mana cost was "total casting cost."

Cost
	..., and so on.

Counts As
    ...may be tapped for green mana and...

Cumulative Upkeep
    Note that if a card has more than one cumulative upkeep cost, each
    creates a separate triggered ability at the beginning of upkeep that
    counts all the cumulative upkeep counters on the card from both
    abilities.

Cycling
Deleted the erroneous part about effecting a spell's resolution.

Damage
Describes damage on noncreature permanents.

Damage-Prevention Ability
    ...or activated ability...

Discard [Updated]
    A player discards a card by putting the card from his or her hand
    into his or her graveyard. By default, spells and abilities that
    cause a player to discard a card allow the affected player to choose
    which card to discard. Some spells and abilities, however, allow
    another player to make the choice for a random discard.

Event
    The text of triggered abilities and replacement effects defines the
    event they're looking for; one "happening" may be treated as a
    single event by one ability and as multiple events by another. For
    example, if an attacking creature is blocked by two defending
    creatures, this is one event for a triggered ability that reads
    "Whenever [name] becomes blocked" but two events for a triggered
    ability that reads "Whenever [name] becomes blocked by a creature."

Expansion Symbol
Includes a comprehensive list of expansion symbols.

First Strike
Mentions that non-first strike creatures deal damage in a separate step.

Flanking
Changed "that modifies the declare blockers step" to "that modifies the
declare blockers step."

Hand
	...that haven't been played yet.

If
    Note that the word "if" has only its normal English meaning anywhere
    else in the text of a card; this rule only applies to an "if" that
    immediately follows the trigger condition.

Leaves Play
References Appendix B, "Older Rules" for phasing.

Main Phase
    ...also called the "precombat" and "postcombat" main phases.

Mana Symbol
    A spell or ability whose cost is 0 must still be played the same way
    as one with a cost greater than zero; it won't "play itself
    automatically."

Move
A few changes to the second paragraph:
    A moved enchantment stops enchanting the previous permanent and
    starts enchanting the new one, and it receives a new timestamp.
    Nothing else about the enchantment changes. The enchantment never
    left play, so no comes-into-play or leaves-play triggered abilities
    will trigger. If an ability of the moved enchantment affecting
    "enchanted [permanent]" was on the stack when the enchantment moved,
    it will affect the new enchanted permanent when it resolves, not the
    old one.

Opponent
Changed "player playing the spell" to "player controlling the spell".

Pay
    Any time a player is asked to pay mana, mana abilities may be
    played.

    Also, the resolution of a spell or ability doesn't pay another spell
    or ability's cost, even if part of its effect is doing the same
    thing as the other cost asks for.

Permanently (Obsolete)
    ...or it leaves play.

Phased Out (Obsolete)
References Appendix B, "Older Rules."

Phasing (Obsolete)
References Appendix B, "Older Rules."

Priority
    The player who has the option to play a spell or ability at any
    given time has priority.

	Each time a spell or ability (other than a mana ability)
	resolves, and at the beginning of most phases or steps, the
	active player receives priority. After a player plays a spell,
	ability, or land, he or she again receives priority. When a
	player passes, his or her opponent receives priority. (If both
	players pass in succession the top spell or ability on the stack
	resolves, or if the stack is empty the phase or step ends.)

	Each time a player receives priority, all applicable state-based
	effects resolve (see rule 420, "State-Based Effects") and then
	triggered abilities are added to the stack (see rule 410,
	"Handling Triggered Abilities"); these steps repeat until no
	further state-based effects or triggered abilities are
	generated. Then the player may play a spell, ability, or land as
	governed by the rules for that phase.

Regenerate
    Regeneration is a destruction-replacement effect. "Regenerate
    [permanent]" means "The next time [permanent] would be destroyed
    this turn, instead remove all damage from it, tap it, and (if it's
    in combat) remove it from combat." Because it's a replacement
    effect, it must be active before the attempted destruction event.
    Note that if destruction is caused by lethal damage, any abilities
    that trigger from that damage being dealt still trigger even if the
    permanent regenerates.

Set Aside
    To set aside a card is to remove it from the game; however, the
    effect will specify some condition that allows the set-aside card to
    return to the game. See also Removed from the Game.

Skip
    ...one effect will be satisfied in skipping the first occurrence,
while
    the other will remain until another occurrence can be skipped.

Source
    The source of an ability or of damage is the card or token that
    generated it. If an effect requires a player to choose a source, he
    or she may choose either a permanent or a spell on the stack
    (including one that creates a permanent) or any card or permanent
    referred to by a spell or pseudospell on the stack. The effect will
    apply to the next damage dealt by that spell or by that permanent
    (in combat or by one of its abilities). A source doesn't need to be
    capable of dealing damage to be a legal choice.

State-Based Effects
No longer references the start of a step/phase. This definition is not
comprehensive, as state-based effects are also checked during the Cleanup
Step (i.e. when players don't normally receive priority).

Static Ability
    ...and has the ability.

Target
    A spell or pseudospell on the stack can't target itself.

Type
    A land's type is the same as its name.

    A local enchantment's type is printed after the word "Enchant"
    on the card's type line.

    The "type" of mana includes both its color and any restrictions
    placed upon it; for example, mana that can be used only to play
    artifact spells.

Unblockable
    Spells or abilities may still cause it to become blocked.

Vanguard Card
    ...however, these abilities have no color, and damage from them
    isn't damage from a permanent of any type or a source of any color.
    A Vanguard card isn't a Magic card, so it can't be affected by
    spells or abilities.


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