edhseer Commander synergy, explained
Sorcery
Mana cost: {4}{W}{W}
Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.
on-cast —
on-cast — makes a token
Causes: a creature dies, create a Horror artifact token, create a Phyrexian artifact token, create a Horror creature token, create a Phyrexian creature token, put a Horror artifact token onto the battlefield, put a Phyrexian artifact token onto the battlefield, put a Horror creature token onto the battlefield, put a Phyrexian creature token onto the battlefield.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Phyrexian Rebirth is one).
a Phyrexian enters the battlefield — 524 cards in the game can cause this (Phyrexian Rebirth is one).
a creature in a graveyard — 2,769 cards in the game can cause this (Phyrexian Rebirth is one).
Phyrexian Rebirth 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 (Phyrexian Rebirth is one).
When a creature dies thanks to Phyrexian Rebirth:
60 other cards care about it too. These are the ones with the most connections.
a creature token enters the battlefield — 2,799 cards in the game can cause this (Phyrexian Rebirth is one).
When a Phyrexian or Horror enters thanks to Phyrexian Rebirth:
a creature token is created — 2,799 cards in the game can cause this (Phyrexian Rebirth is one).
3 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 (Phyrexian Rebirth is one).
456 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 (Phyrexian Rebirth is one).
31 other cards care about it too. These are the ones with the most connections.
an artifact it makes cheaper to cast — 4,531 cards in the game can cause this.
4,529 other cards cause 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 (Phyrexian Rebirth is one).
18 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 (Phyrexian Rebirth is one).
441 other cards care about it too. These are the ones with the most connections.