Godrick the Grafted

Godrick has +1/+1 for each creature and artifact
in exile.
{2}{w}{b}: Sacrifice a creature, create a 3/3 black
zombie horror creature with "When this creature
becomes tapped, Graft. (You may exile a creature
or artifact card from a graveyard, put a +1/+1
counter on target creature, it permanently gains any
keyword ability the exiled card had.)"
"Forefathers one and all... Bear witness!"