one piece 12 booster box [Japanese] Card Game OP12 Legacy Of The Master Sealed Case has been reflected in cards WAVE 1 - Legacy of

It's very strong...did you know that this awesome thing even existed

Given that its ability is multiplayer focussed, it is extremely unlikely to get slotted into any Vintage or Legacy decks, the only other formats where it is legal

Perhaps the most powerful card in the set, at least for cEDH, is Displacer Kitten

Abandon Hope Aberrant Return Absorb Vis Addle Aether Snap Afterlife from the Loam Agadeem's Awakening Aggressive Negotiations Aggressive Sabotage Agonizing Memories Agonizing Remorse Agonizing Syphon Aid the Fallen Aim for the Head All Hallow's Eve Allure of the Unknown Alms of the Vein Ambition's Cost Ancient Craving Ancient Vendetta Angrath's Fury Angrath's Rampage Annihilating Glare Aphetto Dredging Appetite for Brains Arcane Omens Arms of Hadar Army of the Damned Arterial Flow Ashen Powder Ashes to Ashes Asphyxiate Ass Whuppin' Assassin's Strike Assassinate Atrocious Experiment Attempted Murder Auditore Ambush Auntie's Sentence Awaken the Blood Avatar Awaken the Erstwhile Back for Seconds Back in Town Back on Track Bad Deal Badlands Revival Bankrupt in Blood Barrin's Spite Barter in Blood Battle at the Bridge Beacon of Unrest Befoul Begin the Invasion Behold the Beyond Behold the Sinister Six