Root-Kin Ally RAV/180

Set: Ravnica: City of Guilds
Collector Code: RAV/180
Name: Root-Kin Ally
Type: Creature — Elemental Warrior
Oracle 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.
Rarity: Uncommon