edhseer Commander synergy, explained
Artifact
Mana cost: {3}{U}
Put a coin counter on this artifact.
activated {T} — puts a counter on it
When you do, you may cast target instant or sorcery card with mana value equal to the number of coin counters on this artifact from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Activate only as a sorcery.
triggered — brings a card back
triggered —
Causes: put a counter on anything, cast an instant, cast a sorcery, an instant leaves a graveyard, a sorcery leaves a graveyard, exile a spell, a spell leaves the battlefield.
Cares about: an instant in a graveyard, a sorcery in a graveyard.
an instant in a graveyard — 2 cards in the game can cause this (Wishing Well is one).
an instant leaves a graveyard — 202 cards in the game can cause this (Wishing Well is one).
anything is exiled — 2,497 cards in the game can cause this (Wishing Well is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Wishing Well is one).
When an instant or sorcery leaves a graveyard thanks to Wishing Well:
13 other cards care about it too. These are the ones with the most connections.
an artifact is cast — 3,683 cards in the game can cause this (Wishing Well is one).
When Wishing Well is cast:
271 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Wishing Well is one).
424 other cards care about it too. These are the ones with the most connections.