Nemata Primeval Warden

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