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Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)
Abilities, attacks, weakness & resistance
Other cards from Fourth Edition
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Spell Blast (4ED 103) is a blue instant from Fourth Edition that can be cast for {X}{U}. It counters a target spell with mana value X, letting you scale the effect by paying more into X. The card is typically used as flexible disruption in blue decks that need a variable-cost counterspell.
Catalog pricing data as of 17 Apr 2026, 12:54