Sulvrix, Stolen Light

+1: Target creature gets +1/-1 and Haste until end of turn.
-3: Target creature gets +3/-3 and has First Strike until end of turn. If target creature would die this turn, return it to your hand instead.
-6: Until end of turn, Creatures you control get +X/+X and Trample, where X is equal to half the number of creatures control.