Cheapest priced copy (Duskmourn: House of Horror Commander): $0.99 at Card Kingdom, near mint, their price list as of .
Demolisher Spawn 
Enchantment Creature — Horror · 7/7 · Rare · Duskmourn: House of Horror Commander · #31
Trample, haste
Delirium — Whenever this creature attacks, if there are four or more card types among cards in your graveyard, other attacking creatures get +4/+4 until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.99 to $1.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror Commander | 31 | Rare | $1.29 | — |
| Duskmourn: House of Horror Commander | 59 | Rare | $0.99 | — |