edhseer Commander synergy, explained
Instant
Mana cost: {4}{B}{B}
Target player discards two cards. If you cast this spell during your main phase, that player discards four cards instead.
on-cast —
on-cast —
Causes: discard a card.
Cares about: nothing.
a card is discarded — 2,042 cards in the game can cause this (Haunting Hymn is one).
When Haunting Hymn makes a player discard a card:
51 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Haunting Hymn is one).
When Haunting Hymn is cast:
427 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 (Haunting Hymn 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 (Haunting Hymn is one).
When a card hits the graveyard thanks to Haunting Hymn:
2 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Haunting Hymn is one).
When Haunting Hymn is cast:
5 other cards care about it too. These are the ones with the most connections.