op10 japanese booster box Op 10 Royal Blood One Piece Card Game Royal Blood OP-10 – Japanese Version, 6 Cards + Index Per Pack, Factory Sealed One Piece Tcg English decks built around the new cards are powerful enough to give newcomers a chance to compete with experienced players! One Piece Japanese OP-10 Royal

However, the fact that the summons are going to die in a couple of turns anyway makes me think this is more likely to be just a strong sideboard card

For two C energy, Wailords Underwater Dive gives you a Moomoo Milk for Wailord

Using unique cards like Mega Sableye & Tyranitar-GX (Unified Minds), drawing cards with Silvally-GX (Cosmic Eclipse), and stealing games with Umbreon & Darkrai-GX (Unified Minds) gives this deck cool options

Mutate Rules A keyword that lets a creature card be cast as a mutating creature spell

(2) During your Main Phase: You can reduce this cards Level by 2 or 4, and if you do, Special Summon Krawler monsters with different names whose total Levels are equal to the Levels reduced from your hand, Deck or GY in either face-up Defense Position or face-down Defense Position