Streh, in Nature's Debt

+1: Put one green 0/4 Treefolk creature token with defender onto the battlefield. Scry 1.
-3: Sacrifice two creatures, then choose one: Exile target creature, draw two cards, or gain 10 life.
-6: Reveal cards from the top of your library until you reveal 4 land cards, put them onto the battlefield, all nonlands revealed get reshuffled.