For a Prerelease, you will play a format called Sealed Deck
Before the Duel, Team 5D's gave their Signer Dragons to Yusei and Z-one caused six monitors to appear around the Divine Temple, so that the citizens of New Domino could watch the Duel
If they cast a creatures thats 3/3 or smaller, you have a choice you can either use Okos second ability to go up to seven loyalty and turn your Food token into a creature that beats or trades with theirs in combat, or you can use Okos third ability to give your opponent your Food and take their creature, leaving your Oko at one loyalty, and then you also get to cast another spell
Players looking to build the best decks in Pocket should focus on opening the newest pack, Secluded Springs , along with Extradimensional Crisis , Celestial Guardians , and Space-Time Smackdown