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{{Navigation CR|100}}{{otheruses4|the [[Comprehensive Rules]] for costs}} | {{Navigation CR|100}}{{otheruses4|the [[Comprehensive Rules]] for costs}} | ||
{{CR| | {{CR|Magic 2015|*'''117.''' Costs | ||
**'''117.1.''' A cost is an action or payment necessary to take another action or to stop another action from taking place. To pay a cost, a player carries out the instructions specified by the spell, ability, or effect that contains that cost. | **'''117.1.''' A cost is an action or payment necessary to take another action or to stop another action from taking place. To pay a cost, a player carries out the instructions specified by the spell, ability, or effect that contains that cost. | ||
**'''117.2.''' If a cost includes a mana payment, the player paying the cost has a chance to activate mana abilities. Paying the cost to cast a spell or activate an activated ability follows the steps in rules 601.2e–g. | **'''117.2.''' If a cost includes a mana payment, the player paying the cost has a chance to activate mana abilities. Paying the cost to cast a spell or activate an activated ability follows the steps in rules 601.2e–g. | ||
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***'''117.8a''' Any number of additional costs may be applied to a spell as it's being cast or to an ability as it's being activated. The controller of the spell or ability announces his or her intentions to pay any or all of those costs as described in rule 601.2b. | ***'''117.8a''' Any number of additional costs may be applied to a spell as it's being cast or to an ability as it's being activated. The controller of the spell or ability announces his or her intentions to pay any or all of those costs as described in rule 601.2b. | ||
***'''117.8b''' Some additional costs are optional. | ***'''117.8b''' Some additional costs are optional. | ||
***'''117.8c''' Additional costs don't change a spell's mana cost, only what its controller has to pay to cast it. Spells and abilities that ask for that spell's mana cost still see the original value. | ***'''117.8c''' If an effect instructs a player to cast a spell "if able," and that spell has a mandatory additional cost that includes actions involving cards with a stated quality in a hidden zone, the player isn't required to cast that spell, even if those cards are present in that zone. | ||
***'''117. | ***'''117.8d''' Additional costs don't change a spell's mana cost, only what its controller has to pay to cast it. Spells and abilities that ask for that spell's mana cost still see the original value. | ||
***'''117.8e''' Some effects increase the cost to cast a spell or activate an ability without using the word "additional." Those are not additional costs, and are not considered until determining the total cost of a spell or ability as described in rule 601.2e. | |||
**'''117.9.''' Some spells have ''alternative costs''. An alternative cost is a cost listed in a spell's text, or applied to it from another effect, that its controller may pay rather than paying the spell's mana cost. Alternative costs are usually phrased, "You may [action] rather than pay [this object's] mana cost," or "You may cast [this object] without paying its mana cost." Note that some alternative costs are listed in keywords; see rule 702. | **'''117.9.''' Some spells have ''alternative costs''. An alternative cost is a cost listed in a spell's text, or applied to it from another effect, that its controller may pay rather than paying the spell's mana cost. Alternative costs are usually phrased, "You may [action] rather than pay [this object's] mana cost," or "You may cast [this object] without paying its mana cost." Note that some alternative costs are listed in keywords; see rule 702. | ||
***'''117.9a''' Only one alternative cost can be applied to any one spell as it's being cast. The controller of the spell announces his or her intentions to pay that cost as described in rule 601.2b. | ***'''117.9a''' Only one alternative cost can be applied to any one spell as it's being cast. The controller of the spell announces his or her intentions to pay that cost as described in rule 601.2b. | ||
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**'''117.10.''' Each payment of a cost applies to only one spell, ability, or effect. For example, a player can't sacrifice just one creature to activate the activated abilities of two permanents that each require sacrificing a creature as a cost. 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 the other cost asks for. | **'''117.10.''' Each payment of a cost applies to only one spell, ability, or effect. For example, a player can't sacrifice just one creature to activate the activated abilities of two permanents that each require sacrificing a creature as a cost. 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 the other cost asks for. | ||
**'''117.11.''' The actions performed when paying a cost may be modified by effects. Even if they are, meaning the actions that are performed don't match the actions that are called for, the cost has still been paid. {{CR Example|A player controls <c>Psychic Vortex</c>, an enchantment with a cumulative upkeep cost of "Draw a card," and <c>Obstinate Familiar</c>, a creature that says "If you would draw a card, you may skip that draw instead." The player may decide to pay Psychic Vortex’s cumulative upkeep cost and then draw no cards instead of drawing the appropriate amount. The cumulative upkeep cost has still been paid.}} | **'''117.11.''' The actions performed when paying a cost may be modified by effects. Even if they are, meaning the actions that are performed don't match the actions that are called for, the cost has still been paid. {{CR Example|A player controls <c>Psychic Vortex</c>, an enchantment with a cumulative upkeep cost of "Draw a card," and <c>Obstinate Familiar</c>, a creature that says "If you would draw a card, you may skip that draw instead." The player may decide to pay Psychic Vortex’s cumulative upkeep cost and then draw no cards instead of drawing the appropriate amount. The cumulative upkeep cost has still been paid.}} | ||
**'''117.12.''' Some spells, activated abilities, and triggered abilities read, "[Do something]. If [a player] [does or doesn't], [effect]." or "[A player] may [do something]. If [that player] [does or doesn't], [effect]." The action [do something] is a cost, paid when the spell or ability resolves. The "If [a player] [does or doesn't]" clause checks whether the player chose to pay an optional cost or started to pay a mandatory cost, regardless of what events actually occurred. {{CR Example|You control <c> | **'''117.12.''' Some spells, activated abilities, and triggered abilities read, "[Do something]. If [a player] [does or doesn't], [effect]." or "[A player] may [do something]. If [that player] [does or doesn't], [effect]." The action [do something] is a cost, paid when the spell or ability resolves. The "If [a player] [does or doesn't]" clause checks whether the player chose to pay an optional cost or started to pay a mandatory cost, regardless of what events actually occurred. {{CR Example|You control <c>Standstill</c>, an enchantment that says "When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards." A spell is cast, causing Standstill's ability to trigger. Then an ability is activated that exiles Standstill. When Standstill's ability resolves, you're unable to pay the "sacrifice Standstill" cost. No player will draw cards.}} {{CR Example|Your opponent has cast <c>Gather Specimens</c>, a spell that says "If a creature would enter the battlefield under an opponent's control this turn, it enters the battlefield under your control instead." You control a face-down <c>Dermoplasm</c>, a creature with morph that says "When Dermoplasm is turned face up, you may put a creature card with morph from your hand onto the battlefield face up. If you do, return Dermoplasm to its owner's hand." You turn Dermoplasm face up, and you choose to put a creature card with morph from your hand onto the battlefield. Due to Gather Specimens, it enters the battlefield under your opponent's control instead of yours. However, since you chose to pay the cost, Dermoplasm is still returned to its owner's hand.}} | ||
***'''117.12a''' Some spells, activated abilities, and triggered abilities read, "[Do something] unless [a player does something else]." This means the same thing as "[A player may do something else]. If [that player doesn't], [do something]."}} | ***'''117.12a''' Some spells, activated abilities, and triggered abilities read, "[Do something] unless [a player does something else]." This means the same thing as "[A player may do something else]. If [that player doesn't], [do something]."}} | ||
[[Category:Magic rules]] | [[Category:Magic rules]] | ||
Revision as of 23:27, 26 September 2014
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