Shard of Belzenlok

Equipped creature has hexproof and indestructible.
At the beginning of your upkeep, sacrifice an
artifact or exile Shard of Belzenlok. Then, if
Shard of Belzenlok is equipped to a creature you control, create a 4/4 black Demon creature token
with flying.
Equip {4} ({4}: Attach to target creature you control.
Equip only as a sorcery.)