If you can't get to an LGS or they dont want to buy your cards, you can also sell them directly to sites like Star City Games or Card Kingdom
Of course, Desynchronization won't answer all of those pesky artifacts your opponents might have in play, but you'll come out way ahead if your own battlefield consists of solely historic permanents
Wizards of the Coast themselves recently got in on the joke (which means it must nearly be time for it to die) printing a blue Phantasmal Dreadmaw in Modern Horizons 2
Adventurer's Inn Balamb Garden, SeeD Academy Baron, Airship Kingdom Capital City Clive's Hideaway Crossroads Village Eden, Seat of the Sanctum Gohn, Town of Ruin Gongaga, Reactor Town Guadosalam, Farplane Gateway Insomnia, Crown City Ishgard, the Holy See Jidoor, Aristocratic Capital Lindblum, Industrial Regency Midgar, City of Mako Rabanastre, Royal City Sharlayan, Nation of Scholars Starting Town The Gold Saucer Treno, Dark City Vector, Imperial Capital Windurst, Federation Center Zanarkand, Ancient Metropolis
Honorable Mention #2: Ornate Imitations Youre getting creatures when you cast Ornate Imitations
These feature new characters that feel right at home alongside cards from Commander Legends: Battle for Baldur's Gate