edhseer Commander synergy, explained
Creature — Demon
Mana cost: {B}{B}{B}{B}{B}{B}
Flying
When this creature enters, if it was cast, each player exiles all but the bottom six cards of their library face down.
triggered —
At the beginning of your upkeep, draw a card.
triggered — draws you 1 card
Causes: exile a card, draw a card.
Cares about: an upkeep.
hits creature — 2,298 cards in the game can cause this (Doomsday Excruciator 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 (Doomsday Excruciator is one).
When Doomsday Excruciator enters:
anything is exiled — 2,497 cards in the game can cause this (Doomsday Excruciator is one).
a card is drawn — 3,815 cards in the game can cause this (Doomsday Excruciator is one).
When Doomsday Excruciator makes a player draw a card:
57 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 (Doomsday Excruciator is one).
When Doomsday Excruciator attacks:
114 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 (Doomsday Excruciator is one).
When Doomsday Excruciator attacks:
182 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Doomsday Excruciator is one).
When Doomsday Excruciator blocks:
22 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Doomsday Excruciator is one).
When Doomsday Excruciator attacks:
a creature enters the battlefield — 19,800 cards in the game can cause this (Doomsday Excruciator is one).
When Doomsday Excruciator enters:
302 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 (Doomsday Excruciator is one).
41 other cards care about it too. These are the ones with the most connections.