Sacrifice
Instant
As an additional cost to cast this spell, sacrifice a creature.
Add an amount of equal to the sacrificed creature's converted mana cost.
イラスト：
Revised Edition#126アンコモン英語適正
裁定
2004年10月4日
Sacrificing an animated land gives no mana since the converted mana cost was zero.
2013年4月15日
You must sacrifice exactly one creature to cast this spell; you cannot cast it without sacrificing a creature, and you cannot sacrifice additional creatures.
2013年4月15日
Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the creature you sacrificed to prevent you from casting this spell.