edhseer Commander synergy, explained
Creature — Nightmare Horror
Mana cost: {4}{U}{B}
Flying
When this creature enters, target opponent discards a card and you draw a card.
triggered —
triggered — draws you 1 card
Causes: discard a card, draw a card.
Cares about: nothing.
hits creature — 2,298 cards in the game can cause this.
12 other cards care about it too. These are the ones with the most connections.
a Nightmare enters the battlefield — 151 cards in the game can cause this (Psychic Symbiont is one).
a Horror deals combat damage — 382 cards in the game can cause this (Psychic Symbiont is one).
a card is discarded — 2,042 cards in the game can cause this (Psychic Symbiont is one).
When a permanent makes a player discard a card thanks to Psychic Symbiont:
51 other cards care about it too. These are the ones with the most connections.
a card is drawn — 3,815 cards in the game can cause this (Psychic Symbiont is one).
When Psychic Symbiont makes a player draw a card:
57 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 (Psychic Symbiont 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 (Psychic Symbiont is one).
When a card hits the graveyard thanks to Psychic Symbiont:
5 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 (Psychic Symbiont is one).
When Psychic Symbiont attacks:
123 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 (Psychic Symbiont is one).
200 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 (Psychic Symbiont 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 (Psychic Symbiont is one).
When Psychic Symbiont enters:
350 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 (Psychic Symbiont is one).
59 other cards care about it too. These are the ones with the most connections.