name: Root-Kin Ally
originalText: Convoke (Each creature you tap while playing this spell reduces its cost by {1} or by one mana of that creature's color.)
  Tap two untapped creatures you control: Root-Kin Ally gets +2/+2 until end of turn.
printings: MM2, RAV
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.)
  Tap two untapped creatures you control: This creature gets +2/+2 until end of turn.
type: Creature — Elemental Warrior