Cheapest priced copy (Bloomburrow Commander): $0.59 at Card Kingdom, near mint, their price list as of .
Nadier's Nightblade 
Creature — Elf Warrior · 1/3 · Uncommon · Modern Horizons 3 · #275
Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
6 printings · $0.59 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Bloomburrow Commander | 184 | Uncommon | $0.59 | — |
| Commander Masters | 175 | Common | $0.59 | $0.79 |
| Commander Masters | 641 | Common | $0.59 | $2.49 |
| Commander Legends | 136 | Uncommon | $0.69 | $0.79 |
| Modern Horizons 3 | 275 | Uncommon | $0.69 | $0.79 |
| The List | BLC-184 | Uncommon | — | — |