Cosmic Warbonnet

Head equipment — Legendary

Your Cosmic Flashpaws instead have, "Deploy - Other troops you control get "Diligence - Exhaust a random opposing troop." Ready those troops."

Changes: Cosmic Flashpaw
Slot: Head
Rarity: Legendary
Set: PvE Promos (Scars of War era)
How obtained: Set 6 Wheels of Fate

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