edhseer Commander synergy, explained
Sorcery
Mana cost: {B}
Target opponent reveals their hand. You may choose a nonland card from it. If you do, that player exiles that card. If a nonblack card is exiled this way, exile a card from your hand.
on-cast —
on-cast —
Causes: exile an artifact, exile a battle, exile a creature, exile an enchantment, exile an instant, exile a planeswalker, exile a sorcery, exile a card.
Cares about: nothing.
an artifact is exiled — 336 cards in the game can cause this (Specter's Shriek is one).
1 other card cares about it too. These are the ones with the most connections.
a creature is exiled — 1,003 cards in the game can cause this (Specter's Shriek is one).
When a creature is exiled thanks to Specter's Shriek:
6 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 (Specter's Shriek is one).
a sorcery is cast — 3,720 cards in the game can cause this (Specter's Shriek is one).
When Specter's Shriek is cast:
424 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 (Specter's Shriek is one).
When Specter's Shriek is cast:
5 other cards care about it too. These are the ones with the most connections.