Cheapest priced copy (Modern Horizons 3): $1.99 at Card Kingdom, near mint, their price list as of .
Ophiomancer 
Creature — Human Shaman · 2/2 · Rare · Secret Lair Drop · #2711
At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
7 printings · $1.99 to $9.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2013 | 84 | Rare | $2.79 | — |
| Commander Collection: Black | 3 | Rare | $5.99 | $9.99 |
| Jumpstart 2022 | 452 | Rare | $2.49 | — |
| Modern Horizons 3 | 276 | Rare | $1.99 | $2.99 |
| Secret Lair Drop | 2711 | Rare | — | — |
| Secrets of Strixhaven Commander | 118 | Rare | $2.29 | — |
| Tarkir: Dragonstorm Commander | 193 | Rare | $2.29 | — |
3 rulings from Wizards of the Coast
- 17 October 2013Ophiomancer's ability checks if you control a Snake at the beginning of each upkeep. If you do, the ability won't trigger.
- 17 October 2013If the ability does trigger, but you control a Snake when it tries to resolve, the ability will do nothing. No Snake token will be created.
- 17 October 2013Ophiomancer's ability considers any creature you control with the creature type Snake, not just the tokens Ophiomancer creates.