Rule evolution
Rule 107.4b
Earliest archived Rules release: 2009-10-01 · 1 wording revision · 0 renumberings
Earliest archived Rules release107.4bDetails
Numeral symbols (such as {1}) and variable symbols (such as {X}) represent generic mana in costs. Generic mana in costs can be paid with any type of mana. For more information about {X}, see rule 107.3.
Wording changed107.4bDetails
NumeralNumerical symbols (such as {1}) and variable symbols (such as {X}) represent generic mana in costs. Generic mana in costs can be paid with any type of mana. For more information about {X}, see rule 107.3.