Cheapest priced copy (Dominaria United): $0.35 at Card Kingdom, near mint, their price list as of .
Molten Monstrosity 
Creature — Hellion · 5/5 · Common · Dominaria United · #139
This spell costs {X} less to cast, where X is the greatest power among creatures you control.
Trample
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United | 139 | Common | $0.35 | $0.49 |