Archdruid Mahtan

+1: Exile the top card of your library. Until the end of your next turn, you may play that card.
0: Exile Archdruid Mahtan, then return him to the battlefield transformed under his owner's control.
-5: Destroy target artifact or enchantment. Create X 1/1 green Saproling creature tokens, where X is that permanent’s converted mana cost.