World's Greatest Pike

Fuse {3} (You may cast this spell for its fuse cost, if you do, attach it to a creature, it cannot be unequipped or re-equipped. When equipped creature dies, sacrifice this equipment.)

Equipped creature gets -2/-0 and has First strike.

At the beginning of your endstep, put a void counter on World's Greatest Pike, then if it has 5 or more void counters, sacrifice World's Greatest Pike and create a 10/10 black Demon creature token with flying and trample