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Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.
Abilities, attacks, weakness & resistance
Other cards from Mystery Booster 2
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Pact of Negation (MB2-169) is a blue instant reprinted in Mystery Booster 2 that lets you counter a target spell for zero mana. It creates a delayed triggered ability that forces you to pay {3}{U}{U} at the beginning of your next upkeep or lose the game. This card functions as a one-time free counterspell with a conditional future cost that decks use for tempo or combo turns.
Catalog pricing data as of 19 Apr 2026, 12:27