Gainsay⁣ - Theros⁣ (Uncommon)⁣ [49]

Gainsay is an instant from Theros that counters target blue spell for just one blue mana. This makes it an efficient choice for disrupting opposing strategies, particularly in matchups against blue decks. Its low cost allows for easy inclusion in control or tempo decks looking to maintain card advantage while stalling opponents' plans. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.