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Lumina's powerful effect got it limited to 1 in past formats, but since its at 3 now, that's the amount you need to play

If on the field with Ryzeal Deadnader, you can pop it using Deadnaders effect, banishing 3 cards from the GYs, meaning the strategy even has GY interaction while Pyro locked in the Extra Deck

Youll probably also see it on signage and promotional materials

Gogo doesnt see play in 60-card formats, its not popular as a commander in its own right, and so far it hasnt made its way into as many Commander decks as cards like Oaka, Traveling Merchant and Wrecking Ball Arm, both of which are less expensive than Gogo