edhseer Commander synergy, explained
Instant
Mana cost: {X}{B}
As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs {2} less to cast for each card exiled this way.
on-cast —
on-cast — costs less
March of Wretched Sorrow deals X damage to target creature or planeswalker and you gain X life.
on-cast — deals X damage
on-cast — gains you X life
Causes: exile a card, a creature deals noncombat damage, a planeswalker deals noncombat damage, gain life.
Cares about: nothing.
a planeswalker deals noncombat damage — 357 cards in the game can cause this (March of Wretched Sorrow is one).
1 other card cares about it too. These are the ones with the most connections.
life is gained — 2,076 cards in the game can cause this (March of Wretched Sorrow is one).
When March of Wretched Sorrow gains life:
84 other cards care about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (March of Wretched Sorrow is one).
anything deals noncombat damage — 3,068 cards in the game can cause this (March of Wretched Sorrow is one).
When March of Wretched Sorrow deals noncombat damage:
36 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 (March of Wretched Sorrow is one).
When March of Wretched Sorrow is cast:
427 other cards care about it too. These are the ones with the most connections.
a creature is dealt damage — 18,923 cards in the game can cause this (March of Wretched Sorrow is one).
When a creature is dealt damage thanks to March of Wretched Sorrow:
17 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 (March of Wretched Sorrow is one).
When March of Wretched Sorrow is cast:
5 other cards care about it too. These are the ones with the most connections.