yugioh mai starter deck Speed Duel Decks: Duelists of Tomorrow | Yu-Gi-Oh! Wiki Yu-Gi-Oh! Episode Decks: Mai Valentine's

Considering how much you can mill to find the cards you need, this should be a surprisingly easy task

More specifically, you need to collect the versions with the rainbow border

Bad Grimer

While not the flashiest release, it brought balance back to the meta with flexible builds

"Beatrice, Lady of the Eternal" is one of this Deck's most critical cards, as she can be summoned easily with Tefnuit, Su and Wattaildragon, and helps you mill Graveyard-oriented Destruction Sword cards

Some hydras are multicolor and its common to see 3-color hydras thanks to the popularity of Commander and the needs of Standard along with the themes of Limited