edhseer Commander synergy, explained
Sorcery
Mana cost: {B}{B}{G}{G}{G}{U}{U}
Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that card into your library. You may cast the other cards without paying their mana costs. Exile Emergent Ultimatum.
on-cast — searches a library
on-cast —
on-cast —
on-cast —
Causes: search your library, shuffle a library, cast anything, exile a card, anything leaves the battlefield.
Cares about: nothing.
a library is shuffled — 1,189 cards in the game can cause this (Emergent Ultimatum is one).
When a permanent shuffles a library thanks to Emergent Ultimatum:
anything is exiled — 2,497 cards in the game can cause this (Emergent Ultimatum is one).
a sorcery is cast — 3,720 cards in the game can cause this (Emergent Ultimatum is one).
When Emergent Ultimatum 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 (Emergent Ultimatum is one).
When Emergent Ultimatum is cast:
5 other cards care about it too. These are the ones with the most connections.