jp booster box Heatwave Arena such as Mihawk from OP01 and Doflamingo from OP04 Pokémon TCG JP: Nullifying Zero

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

You can pay seven mana to meld him with The Mightstone and Weakstone to create Urza, Planeswalker, who has a whopping five different abilities you can use - and you can choose to activate two abilities per turn instead of just one

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

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