Numbers and symbols: Difference between revisions
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{{Navigation CR|100}}{{CR| | {{Navigation CR|100}}{{CR|Born of the Gods|* '''107.''' Numbers and Symbols | ||
**'''107.1.''' The only numbers the Magic game uses are integers. | **'''107.1.''' The only numbers the '''Magic''' game uses are integers. | ||
***'''107.1a''' You can't choose a fractional number, deal fractional damage, gain fractional life, and so on. If a spell or ability could generate a fractional number, the spell or ability will tell you whether to round up or down. | ***'''107.1a''' You can't choose a fractional number, deal fractional damage, gain fractional life, and so on. If a spell or ability could generate a fractional number, the spell or ability will tell you whether to round up or down. | ||
***'''107.1b''' Most of the time, the '''Magic''' game uses only positive numbers and zero. You can't choose a negative number, deal negative damage, gain negative life, and so on. However, it's possible for a game value, such as a creature's power, to be less than zero. If a calculation or comparison | ***'''107.1b''' Most of the time, the '''Magic''' game uses only positive numbers and zero. You can't choose a negative number, deal negative damage, gain negative life, and so on. However, it's possible for a game value, such as a creature's power, to be less than zero. If a calculation or comparison needs to use a negative value, it does so. If a calculation that would determine the result of an effect yields a negative number, zero is used instead, unless that effect sets a player's life total to a specific value, doubles a player's life total, sets a creature's power or toughness to a specific value, or otherwise modifies a creature's power or toughness. {{CR Example|If a 3/4 creature gets -5/-0, it’s a -2/4 creature. It assigns 0 damage in combat. Its total power and toughness is 2. You'd have to give it +3/+0 to raise its power to 1.}} {{CR Example|<c>Viridian Joiner</c> is a 1/2 creature with the ability "{{T}}: Add to your mana pool an amount of {{G}} equal to Viridian Joiner's power." An effect gives it -2/-0, then its ability is activated. The ability adds no mana to your mana pool.}} | ||
***'''107.1c''' If a rule or ability instructs a player to choose "any number," that player may choose any positive number or zero, unless something (such as damage or counters) is being divided or distributed among "any number" of players and/or objects. In that case, a nonzero number of players and/or objects must be chosen if possible. | ***'''107.1c''' If a rule or ability instructs a player to choose "any number," that player may choose any positive number or zero, unless something (such as damage or counters) is being divided or distributed among "any number" of players and/or objects. In that case, a nonzero number of players and/or objects must be chosen if possible. | ||
**'''107.2''' If anything needs to use a number that can't be determined, either as a result or in a calculation, it uses 0 instead. | **'''107.2''' If anything needs to use a number that can't be determined, either as a result or in a calculation, it uses 0 instead. | ||
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***'''107.3c''' If a spell or activated ability has an {{X}}, [-X], or X in its cost and/or its text, and the value of X is defined by the text of that spell or ability, then that's the value of X while that spell or ability is on the stack. The controller of that spell or ability doesn't get to choose the value. Note that the value of X may change while that spell or ability is on the stack. | ***'''107.3c''' If a spell or activated ability has an {{X}}, [-X], or X in its cost and/or its text, and the value of X is defined by the text of that spell or ability, then that's the value of X while that spell or ability is on the stack. The controller of that spell or ability doesn't get to choose the value. Note that the value of X may change while that spell or ability is on the stack. | ||
***'''107.3d''' If a cost associated with a special action, such as a suspend cost or a morph cost, has an {{X}} or an X in it, the value of X is chosen by the player taking the special action as he or she pays that cost. | ***'''107.3d''' If a cost associated with a special action, such as a suspend cost or a morph cost, has an {{X}} or an X in it, the value of X is chosen by the player taking the special action as he or she pays that cost. | ||
***'''107.3e''' Sometimes X appears in the text of a spell or ability but not in a mana cost, alternative cost, additional cost, or activation cost. If the value of X | ***'''107.3e''' Sometimes X appears in the text of a spell or ability but not in a mana cost, alternative cost, additional cost, or activation cost. If the value of X isn't defined, the controller of the spell or ability chooses the value of X at the appropriate time (either as it’s put on the stack or as it resolves). | ||
***'''107.3f''' If a card in any zone other than the stack has an {{X}} in its mana cost, the value of {{X}} is treated as 0, even if the value of X is defined somewhere within its text. | ***'''107.3f''' If a card in any zone other than the stack has an {{X}} in its mana cost, the value of {{X}} is treated as 0, even if the value of X is defined somewhere within its text. | ||
***'''107.3g''' All instances of X on an object have the same value at any given time. | ***'''107.3g''' All instances of X on an object have the same value at any given time. | ||
Revision as of 02:03, 14 February 2014
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