Elspeth, Arisen Knight

+1: Create a 1/1 white Nymph enchantment creature token with lifelink and Bestow {w} - Enchanted creature gets +1/+1 and has lifelink.
-3: Sacrifice a creature. If you do, create a 3/3 black Spirit creature token with flying and deathtouch.
-7: Destroy all non-token creatures. Token creatures you control get +3/+3 and gain vigilance and menace until end of turn.