edhseer Commander synergy, explained
Creature — Specter
Mana cost: {2}{U}{B}
Flying
When this creature enters, return a blue or black creature you control to its owner's hand.
triggered — bounce
Whenever this creature deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card.
triggered —
Causes: a creature leaves the battlefield, discard a card.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Doomsday Specter is one).
a card is discarded — 2,042 cards in the game can cause this (Doomsday Specter is one).
When Doomsday Specter makes a player discard a card:
51 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Doomsday Specter is one).
When Doomsday Specter leaves the battlefield:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Doomsday Specter is one).
21 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 (Doomsday Specter 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 (Doomsday Specter is one).
When a card hits the graveyard thanks to Doomsday Specter:
2 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 Specter is one).
When Doomsday Specter attacks:
122 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 Specter is one).
When Doomsday Specter attacks:
197 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 (Doomsday Specter is one).
90 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 (Doomsday Specter is one).
When Doomsday Specter enters:
344 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 Specter is one).
61 other cards care about it too. These are the ones with the most connections.