Nemata, Grove Guardian is a rare Legendary Creature — Treefolk card from The List (PLST), collector number PLS-85. Current market price: $0.48, TCGplayer market prices via Scryfall.
{2}{G}: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: Saproling creatures get +1/+1 until end of turn.