Disrupting Shoal
{X}{U}{U}Instant — Arcane
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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.
Official rulings
- Disrupting Shoal can target any spell, but does nothing unless that spell's mana value is X. (2005-02-01)
- If a card in your hand has {X} in its mana cost, X is considered to be 0. (2018-12-07)
- 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. (2018-12-07)
Cards like this
Functionally similar cards by meaning — playable in Disrupting Shoal’s colours.
