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Another reason I think a banning is unlikely is because I have no idea what Wizards would ban, since there isn't really one card or even one deck that is dominating the format

You can only use each effect of "Labrynth Labyrinth" once per turn

Catching it fast asleep is helpful of course

While players likely will not use the Joltik to attack, N's Zoroark can copy this attack while Joltik is on the bench, which might be a secondary strategy for the deck so that it can slow the game down or deal with Budew in the Dragapult ex matchup

Hermes, Overseer of Elpis* Another take on a Talrand type of effect, this trades down the size of the creatures for typal Bird synergies (vigilance!), and scrying