edhseer Commander synergy, explained
Sorcery
Mana cost: {X}{R}{R}
Exile the top X cards of your library. You may play them until the end of your next turn.
on-cast —
Harmonize {X}{R}{R}
Causes: exile a card.
Cares about: nothing.
anything is exiled — 2,497 cards in the game can cause this (Zenith Festival is one).
a sorcery is cast — 3,720 cards in the game can cause this (Zenith Festival is one).
When Zenith Festival 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 (Zenith Festival is one).
When Zenith Festival is cast:
5 other cards care about it too. These are the ones with the most connections.