edhseer Commander synergy, explained
Sorcery
Mana cost: {5}{B}
Mill three cards. Then starting with the next opponent in turn order, each opponent chooses a creature card in your graveyard that hasn't been chosen. Return each card chosen this way to the battlefield under your control.
on-cast — mills a card
on-cast — brings a card back
Causes: mill a card, put a creature onto the battlefield, a creature leaves a graveyard.
Cares about: a creature in a graveyard.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Rejoin the Fight is one).
12 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Rejoin the Fight is one).
2,759 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 (Rejoin the Fight is one).
When Rejoin the Fight 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 (Rejoin the Fight is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Rejoin the Fight is one).
When a card hits the graveyard thanks to Rejoin the Fight:
7 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Rejoin the Fight is one).
When a creature enters thanks to Rejoin the Fight:
28 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 (Rejoin the Fight is one).
When a creature enters thanks to Rejoin the Fight:
347 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 (Rejoin the Fight is one).
11 other cards care about it too. These are the ones with the most connections.