Dimion, Who is all things

+1: each player puts the top 3 cards of their libraries into their graveyards. Return an instant or sorcery spell from your graveyard to your hand.
0: Until the end of your turn, Dimion becomes a copy of a creature in your graveyard, except it has indestructible and hexproof.
-7: Create a token copy of all creatures in all graveyards.