name: Covenant of Blood
originalText: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)\r
  Covenant of Blood deals 4 damage to target creature or player and you gain 4 life.
printings: M15, PLST
text: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
  Covenant of Blood deals 4 damage to any target and you gain 4 life.
type: Sorcery