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***'''117.3a''' Paying mana is done by removing the indicated mana from a player's mana pool. (Players can always pay 0 mana.) If excess mana remains in that player's mana pool after making that payment, the player announces what mana is still there. | ***'''117.3a''' Paying mana is done by removing the indicated mana from a player's mana pool. (Players can always pay 0 mana.) If excess mana remains in that player's mana pool after making that payment, the player announces what mana is still there. | ||
***'''117.3b''' Paying life is done by subtracting the indicated amount of life from a player's life total. (Players can always pay 0 life.) | ***'''117.3b''' Paying life is done by subtracting the indicated amount of life from a player's life total. (Players can always pay 0 life.) | ||
***'''117.3c''' Activating mana abilities is not mandatory, even if paying a cost is. | ***'''117.3c''' Activating mana abilities is not mandatory, even if paying a cost is. {{CR Example|A player controls <c>Lodestone Golem</c>, which says "Nonartifact spells cost {{1}} more to cast." Another player removes the last time counter from a suspended sorcery card. That player must cast that spell if able, but doing so costs {{1}}. The player is forced to spend {{1}} if enough mana is in his or her mana pool, but the player isn't forced to activate a mana ability to produce that {{1}}. If he or she doesn't, the card simply remains exiled.}} | ||
**'''117.4.''' Some costs include an {{X}} or an X. See rule 107.3. | **'''117.4.''' Some costs include an {{X}} or an X. See rule 107.3. | ||
**'''117.5.''' Some costs are represented by {{0}}, or are reduced to {{0}}. The action necessary for a player to pay such a cost is the player's acknowledgment that he or she is paying it. Even though such a cost requires no resources, it's not automatically paid. | **'''117.5.''' Some costs are represented by {{0}}, or are reduced to {{0}}. The action necessary for a player to pay such a cost is the player's acknowledgment that he or she is paying it. Even though such a cost requires no resources, it's not automatically paid. | ||
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***'''117.9d''' If an alternative cost is being paid to cast a spell, any additional costs, cost increases, and cost reductions that affect that spell are applied to that alternative cost. (See rule 601.2e.) | ***'''117.9d''' If an alternative cost is being paid to cast a spell, any additional costs, cost increases, and cost reductions that affect that spell are applied to that alternative cost. (See rule 601.2e.) | ||
**'''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. | **'''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. | **'''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>Hesitation</c>, an enchantment that says "When a player casts a spell, sacrifice Hesitation. If you do, counter that spell." A spell is cast, causing Hesitation's ability to trigger. Then an ability is activated that exiles Hesitation. When Hesitation's ability resolves, you're unable to pay the "sacrifice Hesitation" cost. The spell is not countered.}} {{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 you [do something else]." This means the same thing as "You may [do something else]. If you don't, [do something]."}} | ***'''117.12a''' Some spells, activated abilities, and triggered abilities read, "[Do something] unless you [do something else]." This means the same thing as "You may [do something else]. If you don't, [do something]."}} | ||
[[Category:Magic rules]] | [[Category:Magic rules]] | ||
Revision as of 00:28, 1 October 2011
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