edhseer Commander synergy, explained
Instant — Arcane
Mana cost: {X}{U}{U}
You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost.
on-cast —
Counter target spell if its mana value is X.
on-cast —
Causes: exile a card, counter a spell.
Cares about: nothing.
anything is exiled — 2,497 cards in the game can cause this (Disrupting Shoal is one).
an instant is cast — 3,931 cards in the game can cause this (Disrupting Shoal is one).
When Disrupting Shoal is cast:
427 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 (Disrupting Shoal is one).
When Disrupting Shoal is cast:
5 other cards care about it too. These are the ones with the most connections.