So someone online decided to check the 2021 Promo card list page. What they found… was this.
Basically it was accidentally revealed on their promo card list page, with no explanation of its method of acquisition. Expect a future stream to clarify this.
V-PR/0430 道化魔竜 プロトルード・ドラゴン Jester Demonic Dragon, Protrude Dragon
Grade 4 / Normal Unit / Dark Zone – Pale Moon – Winged Dragon
[CONT]:This card cannot be ridden.
[AUTO](RC):When placed by your card’s ability, this unit gets the original [Power] of all of your vanguards until end of turn.