Kyoniq, Shaper of Form

+2: At the beginning of the next combat damage step this turn, for each creature you control, you may have it get +1/-1 or -1/+1 until end of turn.
-1: Exile target creature card on the battlefield or in your hand. Its owner creates a 2/2 blue Mutant creature token.
-5: Choose target creature card on the battlefield or in exile. Until end of turn, creatures you control become copies of that creature.