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 and 1 DON One Piece TCG Japanese Royal

Gravekeeper's Recruiter X DARK Level 3 [ SpellcasterEffect ] ATK 1200 DEF 1500 If this card you control is sent to your GY: Add 1 "Gravekeeper's" monster with 1500 or less DEF from your Deck to your hand

Making X 2/2s for X mana is a sweet deal, but paying mana at the end of the turn when you likely need to spend it to enable the life loss needed to trigger this in the first place is pretty miserable

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

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

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