Nemata, Primeval Warden (209) [Dominaria United Promos]

Reach If a creature an opponent controls would die, exile it instead. When you do, create a 1/1 green Saproling creature token. {G}, Sacrifice a Saproling: Nemata gets +2/+2 until end of turn. {1}{B}, Sacrifice two Saprolings: Draw a card.