Cheapest priced copy (Dominaria Remastered): $0.35 at Card Kingdom, near mint, their price list as of .
Mystic Zealot 
Creature — Human Nomad Mystic · 2/4 · Common · Dominaria Remastered · #16
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 and has flying.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria Remastered | 16 | Common | $0.35 | $0.49 |
| Odyssey | 36 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 8 December 2022Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to Mystic Zealot may become lethal if the number of cards in your graveyard falls below seven.