Overwhelm | 189 | Magic 2015 (M15)

Set: Magic 2015 (M15)
Rarity: U
#: 189
Creature Type or Sub Type: Sorcery
Rules Text Contains: 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.)
Creatures you control get +3/+3 until end of turn.
Flavor: The Conclave acts with a single will, expressed by countless warriors.