Cheapest priced copy (Dominaria): $0.35 at Card Kingdom, near mint, their price list as of .
Firefist Adept 
Creature — Human Wizard · 3/3 · Uncommon · Dominaria · #121
When this creature enters, it deals X damage to target creature an opponent controls, where X is the number of Wizards you control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria | 121 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 27 April 2018The number of Wizards you control is counted only as Firefist Adept’s ability resolves. If Firefist Adept is still on the battlefield, it will count itself.