+3: Discard 3 cards: Target creature gets -4/-4 until end of turn.

+1: Exile target creature: Target creature's controller gains life equal to target creature's power.

-2: Target creature gets +3/+3 and gains indestrucible until end of turn.

-7: You get embedded with "Whenever a creature you control attacks, put a +1/+1 counter on it".