edhseer Commander synergy, explained
Artifact
Mana cost: {2}
At the beginning of each end step, if a creature died this turn, put a soul counter on this artifact.
triggered — puts a counter on it
Add X mana of any one color, where X is the number of soul counters on this artifact. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells.
activated {T} — adds x mana
Causes: put a counter on anything.
Cares about: nothing.
an artifact is cast — 3,683 cards in the game can cause this (Séance Board is one).
When Séance Board is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Séance Board is one).
When Séance Board enters:
anything gets a counter — 4,415 cards in the game can cause this (Séance Board is one).
7 other cards care about it too. These are the ones with the most connections.
an artifact enters the battlefield — 4,643 cards in the game can cause this (Séance Board is one).
When Séance Board enters:
55 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Séance Board is one).
When Séance Board enters:
39 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 (Séance Board is one).
When Séance Board is cast:
10 other cards care about it too. These are the ones with the most connections.