yugioh vrains revolver deck Complete Custom for Yu-Gi-Oh! Yu-Gi-Oh! Dragonlink Extra Deck Revolver

Furthermore, the cards ability to send excess cards to the trash is not simply a discard effect

A four mana artifact that generates two mana is unplayable in Legacy Cube and underwhelming in most others

It gets you halfway there, at least

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In other words, it's not technically banned as companion, but you just can't build a Commander deck that fits Yorion's requirement