You can also grab creatures like Mitotic SlimeMitotic Slime or Myr BattlesphereMyr Battlesphere to create lots of tokens, or create a mutate combo
Sonic Shrieker is its dragon cousin that does something similar, but a hair better as it can remove a creature from the game, as well as a player
Though they wont show the same set code as other Surging Sparks cards, every Pokmon TCG set features Promo cards that youll find in various packs
Imagine the interactions between him and Samwise
Two new cards from Legendary Duelists: Duels from the Deep, alongside one released last time Mako Tsunamis strategy was supported, make up the other big payoffs for having Umi active on your field
Basically, by opening boxes on release day (or release weekend), we can take advantage of the excitement for the new cards (new demand) and the fact that the freshly opened cards haven't had time to reach the market yet (lack of supply)