Consulting the ledger
The record
Every ban and set release that moved the format. These mark the boundaries between metagames — read any window against the change that opened it.
Edge of Eternities released
Final Fantasy released
Tarkir: Dragonstorm released
Sowing Mycospawn BANNED, Troll of Khazad-dum BANNED
Aetherdrift released
Psychic Frog BANNED, Vexing Bauble BANNED
Duskmourn: House of Horror released
Grief BANNED
Bloomburrow released
Modern Horizons 3 released
All Sticker and Attraction cards BANNED
Outlaws of Thunder Junction released
Murders at Karlov Manor released
The Lost Caverns of Ixalan released
Wilds of Eldraine released
Mind's Desire UNBANNED
Lord of the Rings: Tales of Middle-earth released