edhseer Commander synergy, explained
Creature — Spirit
Mana cost: {3}{G}{G}
Untap all permanents you control during each other player's untap step.
static — untaps a permanent
Causes: untap a permanent.
Cares about: a creature it applies untap to, an artifact it applies untap to, an enchantment it applies untap to, a planeswalker it applies untap to, a land it applies untap to, a battle it applies untap to.
anything untaps — 1 card in the game can cause this (Seedborn Muse is one).
a permanent untaps — 66 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse untaps:
a nontoken Spirit deals combat damage — 725 cards in the game can cause this (Seedborn Muse is one).
a nontoken Spirit enters the battlefield — 727 cards in the game can cause this (Seedborn Muse is one).
a Spirit enters the battlefield — 863 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse enters:
an artifact it applies untap to — 4,531 cards in the game can cause this (Seedborn Muse is one).
4,530 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse attacks:
496 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse attacks:
873 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse blocks:
132 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse attacks:
a creature it applies untap to — 19,392 cards in the game can cause this (Seedborn Muse is one).
19,384 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Seedborn Muse is one).
When Seedborn Muse enters:
3,031 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 (Seedborn Muse is one).
690 other cards care about it too. These are the ones with the most connections.