Springtrap

Deathtouch, Menace, Undying

Other creatures you control have Persist.
Whenever Springtrap attacks, return a creature from defending player's graveyard to the battlefield under your control tapped and attacking under your control.

{p/g}{p/b}: Until end of turn if a creature you control would enter the graveyard, instead return then to the battlefield tapped with a +1/+1 counter on it for each creature that died this turn.