edhseer Commander synergy, explained
Creature — Demon
Mana cost: {3}{B}{B}{B}
Flying
At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.
triggered —
Causes: a creature dies.
Cares about: nothing.
hits creature — 2,298 cards in the game can cause this (Reaper from the Abyss 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 (Reaper from the Abyss is one).
When Reaper from the Abyss enters:
a creature in a graveyard — 2,769 cards in the game can cause this (Reaper from the Abyss is one).
Reaper from the Abyss 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 (Reaper from the Abyss is one).
When a creature dies thanks to Reaper from the Abyss:
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 (Reaper from the Abyss is one).
When a creature dies thanks to Reaper from the Abyss:
458 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 (Reaper from the Abyss is one).
When Reaper from the Abyss attacks:
145 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 (Reaper from the Abyss is one).
220 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 (Reaper from the Abyss is one).
When Reaper from the Abyss enters:
445 other cards care about it too. These are the ones with the most connections.