edhseer Commander synergy, explained
Sorcery
Mana cost: {2}{U}
Exchange control of two target creatures you don't control.
on-cast —
Flashback {8}{U}{U}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
Causes: exchange creature .
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Visions of Duplicity is one).
When Visions of Duplicity is cast:
424 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Visions of Duplicity is one).
When Visions of Duplicity is cast:
5 other cards care about it too. These are the ones with the most connections.