Gravedigger, Hoarder of Souls

Flash, Hexproof, Lifelink
This card can't be countered.
Chordsieze: when a creature dies, you may
sacrifice two creatures and pay {p/b}{p/g}: create a
2/4 black Beast Horror creature token. It has
"Sacrifice this creature: target opponent
sacrifices a creature, make a token copy of
sacrificed creature.