Rules
Comprehensive Rules
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100General101The Magic Golden Rules102Players103Starting the Game104Ending the Game105Colors106Mana107Numbers and Symbols108Cards109Objects110Permanents111Tokens112Spells113Abilities114Emblems115Targets116Special Actions117Timing and Priority118Costs119Life120Damage121Drawing a Card122Counters123Stickers
118. Costs
118.1
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.
118.10
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.
118.11
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.
118.12
Some spells, activated abilities, and triggered abilities read, “[Do something]. If [a player] [does, doesn’t, or can’t], [effect].” Or “[A player] may [do something]. If [that player] [does, doesn’t, or can’t], [effect].” The action [do something] is a cost, paid when the spell or ability resolves. The “If [a player] [does, doesn’t, or can’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.
118.13
Some costs contain mana symbols that can be paid in multiple ways. These include hybrid mana symbols and Phyrexian mana symbols.
118.14
Some effects say that “mana of any type can be spent” to pay a cost. This means that players may spend mana as though it were colorless mana or mana of any color to pay that cost. If that effect also gives a player permission to cast spells, this applies only to mana that player spends to cast spells that way. See rule 609.4b.
118.2
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 601.2f–h.
118.3
A player can’t pay a cost without having the necessary resources to pay it fully. For example, a player with only 1 life can’t pay a cost of 2 life, and a permanent that’s already tapped can’t be tapped to pay a cost. See rule 202, “Mana Cost and Color,” and rule 602, “Activating Activated Abilities.”
118.4
Some costs include an {X} or an X
118.5
Some costs are represented by {0}, or are reduced to {0}
118.6
Some objects have no mana cost
118.7
What a player actually needs to do to pay a cost may be changed or reduced by effects. If the mana component of a cost is reduced to nothing by cost reduction effects, it’s considered to be {0}. Paying a cost changed or reduced by an effect counts as paying the original cost.
118.8
Some spells and abilities have additional costs
118.9
Some spells have alternative costs