edhseer Commander synergy, explained
Sorcery
Mana cost: {G}{U}{R}
Reveal the cards in your library. An opponent chooses from among them a creature card, a land card, and a noncreature, nonland card. You put the chosen cards into your hand. Then shuffle.
on-cast —
Causes: shuffle a library.
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Guided Passage is one).
When Guided Passage 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 (Guided Passage is one).
When Guided Passage is cast:
5 other cards care about it too. These are the ones with the most connections.