edhseer Commander synergy, explained
Creature — Demon
Mana cost: {3}{B}{B}{B}
Destroy target land.
activated {T} —
At the beginning of your upkeep, unless you pay {B}{B}{B}, tap this creature and sacrifice a land of an opponent's choice.
triggered — forced sacrifice
Causes: a land is put into a graveyard from the battlefield, sacrifice a land.
Cares about: an upkeep.
hits creature — 2,298 cards in the game can cause this (Demonic Hordes 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 (Demonic Hordes is one).
When Demonic Hordes enters:
a land in a graveyard — 634 cards in the game can cause this (Demonic Hordes is one).
Demonic Hordes puts cards into the:
121 other cards care about it too. These are the ones with the most connections.
a land is put into a graveyard from the battlefield — 636 cards in the game can cause this (Demonic Hordes is one).
When a land is put into a graveyard from the battlefield thanks to Demonic Hordes:
1 other card cares 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 (Demonic Hordes 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 (Demonic Hordes is one).
When a land hits the graveyard thanks to Demonic Hordes:
6 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 (Demonic Hordes is one).
When Demonic Hordes attacks:
126 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 (Demonic Hordes is one).
201 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Demonic Hordes is one).
When Demonic Hordes is cast:
89 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 (Demonic Hordes is one).
32 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 (Demonic Hordes is one).
When Demonic Hordes enters:
370 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Demonic Hordes is one).
67 other cards care about it too. These are the ones with the most connections.