歼智陷阱 {2}{U}{U}

瞬间～陷阱

如果本回合中某对手施放了三个或更多咒语，你可以支付{0}，而不支付歼智陷阱的法术力费用。

放逐任意数量的目标咒语。

「生命有如迷宫。这是其中的死路之一。」～塔晋息法师诺言达

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
You may ignore a Trap's alternative cost condition and simply cast it for its normal mana cost. This is true even if its alternative cost condition has been met. (2009-10-01)
Casting a Trap by paying its alternative cost doesn't change its mana cost or mana value. The only difference is the cost you actually pay. (2009-10-01)
Effects that increase or reduce the cost to cast a Trap will apply to whichever cost you chose to pay. (2009-10-01)

Mindbreak Trap's alternative cost condition checks whether an opponent cast three or more spells this turn, not whether those spells have resolved. (2009-10-01)
If a spell is exiled, it's removed from the stack and thus will not resolve. The spell isn't countered; it just no longer exists. This works on spells that can't be countered, such as Terra Stomper. (2009-10-01)