Disrupting Shoal

{X}{U}{U} · Instant — Arcane

You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost. Counter target spell if its mana value is X.

Rulings (3)

Feb 1, 2005 · Disrupting Shoal can target any spell, but does nothing unless that spell's mana value is X.

Dec 7, 2018 · If a card in your hand has {X} in its mana cost, X is considered to be 0.

Dec 7, 2018 · If a spell has {X} in its mana cost, include the value chosen for that X when determining the mana value of that spell, even if it was cast for an alternative cost and no mana was spent on X.

LegacyLegal

VintageLegal

ModernLegal

PioneerNot legal

StandardNot legal

PauperNot legal

PremodernNot legal

cEDHLegal

Where it’s played now

Inclusion by archetype

% of archetype's lists running it · last 30 days · n=77 decks

Archetype	Format	Inclusion	Copies	Decks (n)
Mono Blue Belcher	Modern	100%	4×	33
Colorless Belcher	Modern	100%	4×	17
Ishai, Ojutai Dragonspeaker / Rograkh, Son of Rohgahh	cEDH	100%	1×	6
Kediss, Emberclaw Familiar / Malcolm, Keen-Eyed Navigator	cEDH	100%	1×	1
Nezahal, Primal Tide	cEDH	100%	1×	1
Niv-Mizzet, Parun	cEDH	100%	1×	1
Vivi Ornitier	cEDH	75%	1×	4
Kinnan, Bonder Prodigy	cEDH	50%	1×	14

Data as of Jun 14, 2026 · MTGO + papercasthaven.com

Price