edhseer Commander synergy, explained
Instant
Mana cost: {3}{G}{G}
Search your library for up to two creature cards with different names, reveal them, put them into your hand, then shuffle.
on-cast — searches a library
on-cast —
Causes: search creature , shuffle a library.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Shared Summons is one).
When Shared Summons is cast:
427 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 (Shared Summons is one).
When Shared Summons is cast:
5 other cards care about it too. These are the ones with the most connections.