Electric Boogaloo, Groovy

+1: Create a 1/1 black and red Zombie token with haste and menace.
-2: Choose up to two target creatures. Until end of turn, those creatures gain menace and get +1/+0 for each creature you control.
-7: Create X 1/1 black and red Zombie tokens with haste and menace, where X is the number of creatures you control.