Cheapest priced copy (Hour of Devastation): $0.35 at Card Kingdom, near mint, their price list as of .
Magmaroth 
Creature — Elemental · 5/5 · Uncommon · Hour of Devastation · #102
At the beginning of your upkeep, put a -1/-1 counter on this creature.
Whenever you cast a noncreature spell, remove a -1/-1 counter from this creature.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Hour of Devastation | 102 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 14 July 2017Magmaroth’s second ability resolves before the spell that caused it to trigger. The ability will resolve even if that spell is countered.