Cheapest priced copy (Dominaria United): $0.59 at Card Kingdom, near mint, their price list as of .
Nemata, Primeval Warden 
Legendary Creature — Treefolk · 3/4 · Rare · Dominaria United · #308
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.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.49 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United | 209 | Rare | $0.59 | $0.79 |
| Dominaria United | 308 | Rare | $0.59 | $0.49 |
| Dominaria United | 349 | Rare | — | $0.69 |
| Dominaria United Promos | 209p | Rare | $0.59 | $2.99 |
| Dominaria United Promos | 209s | Rare | — | $2.29 |
One ruling from Wizards of the Coast
- 9 September 2022If a creature an opponent controls would die, and both Nemata and another effect are trying to exile it instead, that opponent chooses which effect to apply. If Nemata's effect ends up not applying because of this choice, the triggered ability that creates a Saproling token won't trigger, even if the creature card ends up in exile.