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This search based on the January 15, 2004 release of the Rulings.
418 - Continuous Effects
- 418.1 - A continuous effect modifies characteristics of objects or modifies
the rules of the game for a fixed or indefinite period. A continuous
effect may be generated by the resolution of a spell or ability or by a
static ability of an object. [CompRules 2003/07/01]
- 418.2 - Continuous effects that modify characteristics of permanents do so
simultaneously with the permanent coming into play. They don't wait until
the permanent is in play and then change it. Because such effects apply
as the permanent comes into play, apply them before determining whether
the permanent will cause an ability to trigger when it comes into play.
[CompRules 2003/07/01]
418.3 - Continuous Effects from Spells or Abilities
- 418.3a - A continuous effect generated by the resolution of a spell or
ability lasts as long as stated by the spell or ability creating it (such
as "until end of turn"). If no duration is stated, it lasts until the end
of the game. [CompRules 2003/07/01]
- 418.3b - Continuous effects from spells, activated abilities, and triggered
abilities that modify the characteristics or change the controller of one
or more objects don't affect objects that weren't affected when the
continuous effect began. Note that these work differently than continuous
effects from static abilities. Continuous effects that don't modify
characteristics or change the controller of objects modify the rules of
the game, so they can affect objects that weren't affected when the
continuous effect began.
Example: An effect that reads "All white creatures get +1/+1 until end of
turn" gives the bonus to all permanents that are white creatures when the
spell or ability resolves-even if they change color later-and doesn't
affect those that come into play or turn white afterward.
Example: An effect that reads "Prevent all damage creatures would deal
this turn" doesn't modify any object's characteristics, so it's modifying
the rules of the game. That means the effect will apply even to damage
from creatures that weren't in play when the continuous effect began. It
also affects damage from permanents that become creatures later in the
turn. [CompRules 2003/07/01]
- 418.3c - If a resolving spell or ability that creates a continuous effect
contains a variable, the value of that variable is determined only once,
on resolution. See Rule 413.2f. [CompRules 2003/07/01]
- 418.3d - Some effects from activated or triggered abilities have durations
worded "as long as ...." If the "as long as" duration ends between the end
of playing the activated ability or putting the triggered ability onto the
stack and the moment when the effect would first be applied, the effect
does nothing. It doesn't start and immediately stop again, and it doesn't
last forever.
Example: Endoskeleton is an artifact with an activated ability that
reads "{2},{Tap}: Target creature gets +0/+3 as long as Endoskeleton
remains tapped." If you play this ability and then Endoskeleton becomes
untapped before the ability resolves, it does nothing, because its
duration-remaining tapped-was over before the effect began.
[CompRules 2003/07/01]
418.4 - Continuous Effects from Static Abilities
- 418.4a - A continuous effect generated by a static ability isn't "locked
in"; it applies at any given moment to whatever its text indicates.
[CompRules 2003/07/01]
- 418.4b - The effect applies at all times that the permanent generating it is
in play or the object generating it is in the appropriate zone.
Example: A permanent with the static ability "All white creatures
get +1/+1" generates an effect that continuously gives +1/+1 to each white
creature in play. If a creature becomes white, it gets this bonus; a
creature that stops being white loses it. A creature spell that would
normally create a 1/1 white creature instead creates a 2/2 white creature.
The creature doesn't come into play as 1/1 and then change to 2/2.
[CompRules 2003/07/01]
418.5 - Interaction of Continuous Effects
- 418.5a - The values of an object's characteristics are determined by
starting with the actual object, then applying continuous effects in a
series of layers in the following order: (1) copy effects (see Rule 503,
"Copying Object"), (2) control-changing effects, (3) text-changing
effects, (4) type-, subtype-, and supertype-changing effects, (5) all
other continuous effects, except those that change power or toughness,
and (6) power- or toughness-changing effects. Inside each layer, apply
effects from characteristic-setting abilities first, then effects from
all other abilities. For power- or toughness-changing effects, apply
changes from counters after changes from characteristic setting abilities.
See also the rules for timestamp order and dependency (Rule 418.5b through
Rule 418.5g). [CompRules 2003/10/01]
Example: Crusade is an enchantment that reads "White creatures
get +1/+1." Crusade and a 2/2 black creature are in play. If an effect
then turns the creature white, it gets +1/+1 from Crusade, becoming 3/3.
If the creature's color is later changed to red, Crusade's effect stops
applying to it, and it will return to being a 2/2. [CompRules 2003/12/01]
- 418.5b - If an effect other than a type-, subtype-, and supertype-changing
effect should be applied in different layers, the parts of the effect each
apply in their appropriate layers. If a type-, subtype-, and
supertype-changing effect should be applied in different layers, all are
applied only in layer four (type-, subtype- and supertype changing
effects). [CompRules 2003/12/01]
Example: A player plays an ability that reads "{2}: Until end of turn,
Chimeric Sphere becomes a 3/2 artifact creature," which is a both a
type-changing effect and a power- and toughness-changing effect. Since
it's a type-changing effect, the entire effect is applied when
type-changing effects are applied, in layer four, even though power- and
toughness-changing effects are normally applied in layer six. Later in
the turn, Chimeric Sphere is affected by an ability that reads "Target
creature becomes 0/2 until end of turn," which is applied only in layer
six since it's solely a power- and toughness- changing effect. At this
point, playing Chimeric Sphere's (layer 4) ability again won't do
anything, as the layer-six effect will always be applied after it. The
artifact creature remains 0/2. [CompRules 2003/12/01]
Example: An effect that reads "Wild Mongrel gets +1/+1 and becomes the
color of your choice until end of turn" is both a power- and toughness
changing effect and an "other" kind of effect. The "becomes the color of
your choice" part is applied in layer five, and then the "gets +1/+1" part
is applied in layer six. [CompRules 2003/12/01]
Example: Grab the Reins has an effect that reads "Until end of turn,
you gain control of target creature and it gains haste." This is both a
control-changing effect and an "other" effect. The "you gain control"
part is applied in layer two, and then the "it gains haste" part is
applied in layer five. [CompRules 2003/12/01]
- 418.5c - An effect is said to "depend on" another if (a) it is applied in
the same layer as the other effect (see rule 418.5a) and (b) applying the
other would change the text or the existence of the first effect, what it
applies to, or what it does to any of the things it applies to.
Otherwise, the effect is considered to be independent of the other effect.
[CompRules 2003/12/01]
- 418.5d - Whenever one effect depends on another, the independent one is
applied first. If several dependent effects form a loop, or if none
depends on another, they're applied in "timestamp order."
[CompRules 2003/07/01]
- 418.5e - An object's timestamp is the time it entered the zone it's
currently in, with three exceptions: (1) If two or more objects enter a
zone (or zones) simultaneously, the active player determines their
timestamp order at the time they enter that zone. (2) Whenever a local
enchantment or Equipment becomes attached to a permanent, the enchantment
or Equipment receives a new timestamp. (3) Permanents that phase in keep
the same timestamps they had when they phased out. [CompRules 2003/10/01]
- 418.5f - Continuous effects generated by static abilities have the same
timestamp as the objects that generate them. [CompRules 2003/10/01]
- 418.5g - Continuous effects generated by the resolution of a spell or
ability receive a timestamp at the time they're created.
[CompRules 2003/07/01]
- 418.5h - One continuous effect can override another. Sometimes the results
of one effect determine whether another effect applies or what another
effect does. [CompRules 2003/12/01]
Example: Two enchantments are played on the same creature: "Enchanted
creature gains flying" and "Enchanted creature loses flying." Neither of
these depends on the other, since nothing changes what they affect or what
they're doing to it. Applying them in timestamp order means the one that
was generated last "wins." It's irrelevant whether an effect is
temporary (such as "Target creature loses flying until end of turn") or
global (such as "All creatures lose flying"). [CompRules 2003/07/01]
Example: One effect reads, "White creatures get +1/+1," and
another "Enchanted creature is white." The enchanted creature gets +1/+1
from the first effect, regardless of its previous color.
[CompRules 2003/12/01]
- 418.5i - Some effects can switch a creature's power and toughness. When
they're applied, they take the value of power and apply it to the object's
toughness, and take the object's toughness and apply it to the object's
power. Any effects that are applied after the switching effect apply
normally. [CompRules 2003/07/01]
Example: A 1/3 creature is given +0/+1 by an effect. Then another effect
switches the creature's power and toughness. Its new power and toughness
is 4/1. After the "switch" effect resolves, another effect gives
the creature +5/+0. Its power and toughness is 9/1. [CompRules 2003/10/01]
Example: A 1/3 creature is given +0/+1 by an effect. Then another effect
switches the creature's power and toughness. Its new power and toughness
is 4/1. If the +0/+1 effect ends before the switch effect ends, the
creature becomes a 3/1. [CompRules 2003/10/01]
- 418.5.Ruling.1 - If a single ability creates multiple different effects and
those effects could be applied in more than one layer (as per
Rule 418.5a), apply each of the effects in the appropriate layer.
[WotC Rules Team 2003/09/01]
418.6 - Text-Changing Effects
- 418.6a - An effect that changes the text of an object changes only those
words that are used in the correct way (for example, a Magic color word
being used as a color word, a land type word used as a land type, or a
creature type word used as a creature type). The effect can't change a
proper noun, such as a card name, even if that proper noun contains a word
or a series of letters that is the same as a Magic color word, basic land
type, or creature type. [CompRules 2003/07/01]
- 418.6b - Effects that add or remove abilities don't change the text of the
objects they affect, so any abilities that are granted to an object can't
be changed by effects that change the text of that object.
[CompRules 2003/07/01]
- 418.6c - Spells and abilities that create creature tokens use creature types
to define both the creature types and the names of the tokens. These
words can be changed, because they are being used as creature types, even
though they're also being used as names. [CompRules 2003/07/01]
- 418.6d - A creature token's creature type and rules text are defined by the
spell or ability that created the token. These characteristics can be
changed by text-changing effects. [CompRules 2003/07/01]
This search based on the January 15,2004 release of the Rulings.
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