Cheapest priced copy (Duskmourn: House of Horror): $0.35 at Card Kingdom, near mint, their price list as of .
Fear of Burning Alive 
Enchantment Creature — Nightmare · 4/4 · Uncommon · Duskmourn: House of Horror · #135
When this creature enters, it deals 4 damage to each opponent.
Delirium — Whenever a source you control deals noncombat damage to an opponent, if there are four or more card types among cards in your graveyard, this creature deals that amount of damage to target creature that player controls.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror | 135 | Uncommon | $0.35 | $0.49 |
3 rulings from Wizards of the Coast
- 20 September 2024If a source you control deals noncombat damage to multiple opponents simultaneously while there are four or more card types among cards in your graveyard, Fear of Burning Alive's last ability will trigger once for each opponent dealt noncombat damage this way.
- 20 September 2024Fear of Burning Alive's last ability deals damage equal to the amount of noncombat damage dealt by the source that dealt damage to an opponent.
- 20 September 2024Combat damage is the damage that's dealt automatically by attacking and blocking creatures. Any other damage is noncombat damage, even if it's dealt during a combat phase by an attacking or blocking creature.