Gilgamesh,King of Heroes

+3: Destroy Target Creature(ignore all other effects) or Deal 3 damage to target opponent, if they have no cards in hand do 6 instead.
-1: Draw X cards from your opponent's library where x is equal to number of creatures in opponent's graveyard.(your opponents cards mana cost is grey
-12: You may now draw cards from all players library and cast any card without playing mana cost but you lose 5 life every turn afterward.