Cheapest priced copy (Tarkir: Dragonstorm): $0.35 at Card Kingdom, near mint, their price list as of .
Humbling Elder 
Creature — Human Monk · 1/2 · Common · Tarkir: Dragonstorm · #48
Flash
When this creature enters, target creature an opponent controls gets -2/-0 until end of turn.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tarkir: Dragonstorm | 48 | Common | $0.35 | $0.49 |