After the Straw Hat's defeat at Sabaody Archipelago, they must regroup after training for two years
On turn 3 you draw your card and lo and behold it is x, where x can be any of the following cards and you need a Claydol GE (of which you run 2 and neither is prized) to evolve your Baltoy GE this turn because your hand is dead otherwise: Usually the other 2 cards are used instead of Pok Ball as they do not involve flipping and therefore should be better than Pok Ball
E., Echiverri-Cohen, A., Rosenfield, D., & Ritz, T
Many of the Despia monsters have effects that activate when they're used as Fusion material as well - Dramaturge of Despia , for example, Special Summons itself as a 3,000 attack body
For cEDH players, the deck is a big threat if you're willing to put the money in for the expensive cards