op 12 one piece tcg card list Legacy of the Master (OP12) – Limitless OP12 Ranked Meta Report! Swipe

Banner of Kinship Banner of Kinship can provide Coat of Arms levels of board pump, sometimes enough to end the game on the spot, but it also has the failcase of being a complete blank if you have no creatures in play already

Theres also a Sealed Deck variant in which players open up sealed Booster packs and build decks from the cards they open, ignoring the usual color restrictions on deckbuilding

Costing around a few hundred dollars each, these cards outclass everything else on this list by quite some margin

The trick mechanically is to make sure that the card is useful in the set it appears in but that it will have an additional function with the next set