what is a extra deck in yugioh Must Have Side Cards 2024! yugioh Mystery Deck (40 card

They are governed by the usual rules

Plus, it can act like a Mystic Forge and let you remove the top card of your library if you dont need it

Trainers are abuzz with anticipation, speculating that a Tyranitar EX deck could wield considerable power and shape the meta for the months to come

While theyre monsters, each chessman can banish another card from the field (generally an opponents monster)

7 Pot of Extravagance Pot of Extravagance is a normal spell card that allows its user to banish 3 or 6 cards from their extra deck face down, then they can draw either 1 or 2 cards respectively

That disguise cost is heavy and makes me want to cloak it or manifest it