Soraka

+2: Gain control of target creature until end of turn. Untap that creature, it gains haste until end of turn.
0: Create a 1/1 colorless Drone artifact creature token with "Sacrifice this creature: Counter target spell."
-5: You get an emblem with "Whenever you counter a spell, creatures you control get +X/+X until end of turn, where X was the spell's mana value."