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It determines which cards are legal in the current Standard format

Look at 1 random card in your opponent's hand, then apply 1 of these effects

This deck focuses on casting an army of Ally creatures, many with strong secondary abilities including waterbend, earthbend, firebend, and airbend, along with synergies and abilities that trigger when these effects resolve, to generate massive value and overwhelm your opponents

Players will be able to open Mythical Island booster packs to collect cards such as Mew EX, Celebi EX, and five new Trainer cards, which will undoubtedly shake up the meta