Of the "March" cycle of Kamigawa: Neon Dynasty , March of Swirling Mist is easily one of the best
While Commander precons are usually themed around certain characters, colors, or strategies, the twist with these is that each one is built around a single Final Fantasy game specifically VI, VII, X, and XIV
Horseshoe plus a mana filter like Mycosynth Lattice stands in for the more efficient Pili-Pala in its classic combo with Grand Architect for infinite mana
Thats already excellent synergy, but thats not even the busted part
Protection from Mana Values You can grant protection from a variety of different attributes, including certain mana values (or converted mana costs, as they used to be called)
But if the Saga has Read Ahead, as it enters the battlefield, you may choose any chapter on the Saga and have it enter the battlefield with that many lore counters, immediately getting the effect of the chosen chapter