Sunder the Gateway [March of the Machine] Psychic[-20] you may activate one of

you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities have been activated this turn

Set: Strixhaven: School of Mages Type: Sorcery Rarity: Rare Cost: {B}{G} Choose two —

It gains "If this creature would leave the battlefield

Set: Conspiracy Type: Instant Common Cost: {2}{U} Return target permanent you control and target permanent you don't control to their owners' hands

put a spore counter on Mycologist

Sunder the Gateway [March of the Machine] Psychic[-20] you may activate one ofSet: March of the Machine Type: Sorcery Rarity: Common Cost: {1}{W} Choose one Destroy target nontoken artifact or enchantment an opponent controls. Incubate 2. (Create an Incubator token with two +1 +1 counters on it and {2}: Transform this artifact. It transforms into a 0 0 Phyrexian artifact creature.) Incubate 2, then transform an Incubator token you control.