Seraph of the Masses [Magic 2015]

Set: Magic 2015 Type: Creature — Angel Rarity: Uncommon Cost: {5}{W}{W} 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.)FlyingSeraph of the Masses's power and toughness are each equal to the number of creatures you control.