one piece card game op 03 - [OP-03] Mighty Enemies Japanese Booster Box 03 Pillars Of Strength introduces new characters and abilities from the Dressrosa Arc One Piece TCG Japanese -

That said, Eiganjo Castle does see a fair bit of cEDH play, which could drive demand for this new variant

Vault 21: House Gambit Lets slide into another New Vegas Vault, specifically one of the few Vaults that actually kept its inhabitants safe: Vault 21

Forge Anew works as a recursion device in case you lose any Equipment cards via an opponents removal spell, for example, but its main value is granting you a free Equip action on each of your turns

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Cemetery Prowler is one that I find particularly strong, and one I love to play in Commander, especially (which is probably why its a Mythic, lets be honest)