Zombie Taco Meat

EDIT: Added to a fresh master

Consumable that causes <del>1 damage per second for 10 seconds</del> 6 damage over 4 seconds, and then transforms your character into a zombie (if they have the costume) and doubles the damage of punch, jump, and slide attacks. The costume and damage revert after 60 seconds.

Enter 'zombie' on the cheat screen to add it to your inventory.

Credit to @reddfawks for the art