The Sticker | Dragon is a High Grade sticker. It comes from the Bestiary Capsule.
Sticker
Basilisk (Foil)
Dragon (Foil)
Phoenix Reborn (Foil)
Hippocamp (Holo)
Manticore (Holo)
Pegasus (Holo)
Sphinx (Holo)
Basilisk
Hippocamp
Manticore
Pegasus
Phoenix Reborn
Sphinx