edhseer Commander synergy, explained
Creature — Demon
Mana cost: {3}{B}{B}{B}
Flying, trample
At the beginning of your upkeep, sacrifice a creature other than this creature, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap this creature and you lose 7 life.
triggered —
triggered — makes each opponent lose life equal to the sacrificed creature's power
triggered —
Causes: sacrifice a creature, a creature dies, make a player lose life.
Cares about: an upkeep.
anything leaves the battlefield — 1 card in the game can cause this (Xathrid Demon is one).
hits creature — 2,298 cards in the game can cause this (Xathrid Demon is one).
8 other cards care about it too. These are the ones with the most connections.
a Demon enters the battlefield — 284 cards in the game can cause this (Xathrid Demon is one).
When Xathrid Demon enters:
a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Xathrid Demon is one).
When a creature is sacrificed thanks to Xathrid Demon:
a creature is sacrificed — 1,741 cards in the game can cause this (Xathrid Demon is one).
When a creature is sacrificed thanks to Xathrid Demon:
19 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 (Xathrid Demon is one).
Xathrid Demon 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 (Xathrid Demon is one).
When Xathrid Demon dies:
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 (Xathrid Demon is one).
454 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 (Xathrid Demon is one).
34 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 (Xathrid Demon is one).
19 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 (Xathrid Demon is one).
Xathrid Demon fills your graveyard toward the:
442 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Xathrid Demon is one).
220 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Xathrid Demon is one).
148 other cards care about it too. These are the ones with the most connections.