Similar market and question formating: https://manifold.markets/Multicore/in-magic-the-gathering-will-a-card-6b0187dd72a5

Resolves YES if Wizards of the Coast releases an announcement before the end of 2023 which bans Fable of the Mirror-Breaker in Magic: The Gathering's Pioneer format. (Even if the effective date of the ban is after the end of 2023). NO if this does not happen.

Functional errata and rules changes that don't ban cards (e.g. companion tax) don't count. This is about the paper format, so any weirdness on Arena or MTGO doesn't count.

See https://mtg.fandom.com/wiki/Banned_and_restricted_cards/Timeline for a history of ban announcements. In 2022, Pioneer received three bans across two announcements.

Banned and restricted cards/Timeline

The DCI announces bans and restrictions of cards for their sanctioned formats if they deemed necessary to do so. In normal cases, these announcements are made on Mondays and take effect within a few days. Previously, such announcements used to be made in a scheduled basis (usually two to three month…