Fungus Host Boots

Feet equipment — Common

Your Fungus Amongus instead have, "Up to four target troops in your crypt get "Deploy - Summon a Shroompin." Put those cards into your deck."

Changes: Fungus Amongus
Slot: Feet
Rarity: Common
Set: Primal Dawn
How obtained: Set 4 Chest Loot

What it does is the game's own text; how it was obtained is from the owner's records.