Amalgam of Horrors

Profane (You may begin the game with this card in exile. If you do, you lose 2 life.)
Whenever a creature you control dies, exile it. Then if five or more creature cards are exiled with Amalgam of Horrors you may cast it from exile until end of turn.
Amalgam of Horrors gets +1/+1 for each card exiled with it and has the text box of each creature exiled with it.