edhseer Commander synergy, explained
Sorcery
Mana cost: {2}{U}{U}
For each Spirit, return it to its owner's hand unless that player pays {3}.
on-cast — bounce
Causes: anything leaves the battlefield.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Cut the Tethers is one).
a sorcery is cast — 3,720 cards in the game can cause this (Cut the Tethers is one).
When Cut the Tethers 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 (Cut the Tethers is one).
When Cut the Tethers is cast:
5 other cards care about it too. These are the ones with the most connections.