jp booster box Heatwave Arena Essential for every dedicated One Piece enthusiast One Piece PRB-01 The Best

C Common Gravekeeper's Spiritualist X DARK Level 4 [ SpellcasterEffect ] ATK 1500 DEF 1500 During your Main Phase, if "Necrovalley" is on the field: You can Fusion Summon 1 Spellcaster Fusion Monster from your Extra Deck, using this card you control and other monsters from your hand or field as Fusion Material

C Common Master & Expert X EARTH Level 4 [ BeastNormal ] ATK 1200 DEF 1000 A deadly duo consisting of a beast master and its loyal servant

Latias ex makes your Basic Pokmon have no retreat cost (yay for Iron Hands!)

I would say Jodah, the Unifier or Dihada, Binder of Wills are probably the right spots for it, and Kethis, the Hidden Hand isnt far behind it on that list, though Flowering doesnt benefit from the cost reduction