Creeper's Van

Indestructible
Whenever an opponent's creature dies, put a body counter on Creeper's Van.

Beginning of combat Creeper's Van can fight target creature you don't control.

Sacrifice Creeper's Van, search your library for a nightmare creature card, put it onto the battlefield, then shuttle your library. Activate only if Creeper's Van has 5 or more body counters on it.
Crew 3
Partner with Creeper