edhseer Commander synergy, explained
Sorcery
Mana cost: {4}{G}{G}
Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner's library.
on-cast — brings a card back
Causes: anything leaves a graveyard.
Cares about: a card in a graveyard.
anything leaves a graveyard — 2,503 cards in the game can cause this (Seasons Past is one).
When Seasons Past leaves a graveyard:
13 other cards care about it too. These are the ones with the most connections.
a sorcery it makes cheaper to cast — 3,585 cards in the game can cause this.
3,584 other cards cause it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Seasons Past is one).
When Seasons Past is cast:
424 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Seasons Past is one).
7,579 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 (Seasons Past is one).
When Seasons Past is cast:
5 other cards care about it too. These are the ones with the most connections.