The Sticker | Cerberus is a High Grade sticker. It comes from the Sticker Capsule.
Sticker
Luck Skill (Foil)
Lucky 13 (Foil)
Aces High (Holo)
Fearsome (Holo)
Vigilance (Holo)
Aces High
Black Dog
Easy Peasy
Fearsome
I Conquered
Luck Skill
Lucky 13
Seek & Destroy
Vigilance