edhseer Commander synergy, explained
Instant
Mana cost: {U}
Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.
on-cast —
on-cast — makes a token
Causes: counter an enchantment, counter an instant, counter a sorcery, create a Bird creature token, put a Bird creature token onto the battlefield.
Cares about: nothing.
a token enters the battlefield — 3,710 cards in the game can cause this (Swan Song is one).
When a Bird enters thanks to Swan Song:
11 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Swan Song is one).
When Swan Song is cast:
427 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 (Swan Song is one).
When a Bird enters thanks to Swan Song:
328 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 (Swan Song is one).
35 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 (Swan Song is one).
When Swan Song is cast:
5 other cards care about it too. These are the ones with the most connections.