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You may return three Islands you control to their owner's hand rather than pay this spell's mana cost. Counter target spell.
Abilities, attacks, weakness & resistance
Other cards from Mercadian Masques
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Thwart (MMQ 108) is an uncommon blue instant from Mercadian Masques. It can be cast for its normal cost of {2}{U}{U} or you may return three Islands you control to their owner's hand instead of paying its mana cost. Its primary effect is to counter target spell, providing disruption and a tempo option for blue decks.
Catalog pricing data as of 19 Apr 2026, 12:29
