Kenjaku, Ageless Deceiver

Undying

When a creature an opponent controls would be put into a graveyard, you may pay {4}. If you do, exile the creature instead. Kenjaku, Ageless Deceiver becomes a copy of the exiled creature, except its name is Kenjaku, Ageless Deceiver, it is a curse in addition to its other types, and it has this ability. when another card is exiled with Kenjaku, Ageless Deveiver, return all other exiled cards to their owners graveyards.