Enchanted Walnut

Trinket equipment — Legendary

Your Twintail Squirrel Titans instead have, "When this attacks, you may transform each other attacking troop into a random troop with cost . Those troops get "At the start of your turn, revert this.""

Changes: Twintail Squirrel Titan
Slot: Trinket
Rarity: Legendary
Set: Frostheart
How obtained: Frost Ring Arena

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