Cheapest priced copy (Modern Horizons): $0.35 at Card Kingdom, near mint, their price list as of .
Ore-Scale Guardian 
Creature — Dragon · 4/4 · Uncommon · Modern Horizons · #137
This spell costs {1} less to cast for each land card in your graveyard.
Flying, haste
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons | 137 | Uncommon | $0.35 | $0.49 |