Cheapest priced copy (Duskmourn: House of Horror Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Barbflare Gremlin 
Creature — Gremlin · 3/2 · Rare · Duskmourn: House of Horror Commander · #55
First strike, haste
Whenever a player taps a land for mana, if this creature is tapped, that player adds one mana of any type that land produced. Then that land deals 1 damage to that player.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror Commander | 26 | Rare | $0.49 | — |
| Duskmourn: House of Horror Commander | 55 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 20 September 2024Barbflare Gremlin's last ability is a mana ability. It doesn't use the stack and can't be responded to.