edhseer Commander synergy, explained
Instant
Mana cost: {1}{G}
Cast this spell only during your turn.
Take an extra turn after this one if an opponent cast a blue spell this turn.
on-cast — takes an extra turn
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Seedtime is one).
When Seedtime 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 (Seedtime is one).
When Seedtime is cast:
5 other cards care about it too. These are the ones with the most connections.