edhseer Commander synergy, explained
Legendary Sorcery
Mana cost: {5}{W}{B}
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Return all legendary permanent cards from your graveyard to the battlefield.
on-cast — brings a card back
Causes: put a permanent onto the battlefield, a permanent leaves a graveyard.
Cares about: a permanent in a graveyard.
a nontoken permanent enters the battlefield — 142 cards in the game can cause this (Primevals' Glorious Rebirth is one).
When a permanent enters thanks to Primevals' Glorious Rebirth:
a permanent enters the battlefield — 152 cards in the game can cause this (Primevals' Glorious Rebirth is one).
When a permanent enters thanks to Primevals' Glorious Rebirth:
9 other cards care about it too. These are the ones with the most connections.
a permanent in a graveyard — 173 cards in the game can cause this.
168 other cards care about it too. These are the ones with the most connections.
anything leaves a graveyard — 2,503 cards in the game can cause this (Primevals' Glorious Rebirth is one).
When a permanent leaves a graveyard thanks to Primevals' Glorious Rebirth:
13 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Primevals' Glorious Rebirth is one).
When Primevals' Glorious Rebirth is cast:
424 other cards care about it too. These are the ones with the most connections.
anything that is not a token enters the battlefield — 25,747 cards in the game can cause this (Primevals' Glorious Rebirth is one).
anything enters the battlefield — 26,499 cards in the game can cause this (Primevals' Glorious Rebirth is one).
17 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 (Primevals' Glorious Rebirth is one).
When Primevals' Glorious Rebirth is cast:
5 other cards care about it too. These are the ones with the most connections.