edhseer Commander synergy, explained
Sorcery
Mana cost: {4}{W}{W}
For each different power among creatures on the battlefield, choose a creature with that power. Destroy each creature not chosen this way.
on-cast —
Causes: a creature dies.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Celestial Judgment is one).
a creature in a graveyard — 2,769 cards in the game can cause this (Celestial Judgment is one).
Celestial Judgment puts cards into the graveyard that:
799 other cards care about it too. These are the ones with the most connections.
a nontoken creature dies — 2,769 cards in the game can cause this (Celestial Judgment is one).
When a creature dies thanks to Celestial Judgment:
60 other cards care about it too. These are the ones with the most connections.
a creature dies — 2,830 cards in the game can cause this (Celestial Judgment is one).
450 other cards care about it too. These are the ones with the most connections.
a creature goes to a graveyard — 3,011 cards in the game can cause this (Celestial Judgment is one).
When a creature hits the graveyard thanks to Celestial Judgment:
8 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 (Celestial Judgment is one).
When Celestial Judgment is cast:
431 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Celestial Judgment is one).
31 other cards care about it too. These are the ones with the most connections.
a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Celestial Judgment is one).
15 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 (Celestial Judgment is one).
440 other cards care about it too. These are the ones with the most connections.