Cheapest priced copy (Duskmourn: House of Horror): $1.79 at Card Kingdom, near mint, their price list as of .
Insidious Fungus 
Creature — Fungus · 1/2 · Uncommon · Duskmourn: House of Horror · #321
{2}, Sacrifice this creature: Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Draw a card. Then you may put a land card from your hand onto the battlefield tapped.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $1.49 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duskmourn: House of Horror | 186 | Uncommon | $1.79 | $1.49 |
| Duskmourn: House of Horror | 321 | Uncommon | $1.79 | $1.99 |
| The List | DSK-186 | Uncommon | — | — |
One ruling from Wizards of the Coast
- 20 September 2024Putting a land card onto the battlefield with the last mode of Insidious Fungus's ability doesn't count as playing a land. You can put a land card onto the battlefield even if you've already played a land for the turn.