Last Updated: 2026-03-30
425.1. Countering is the act of negating the execution, activation, or otherwise playing of a card or ability by a player.
425.1.a. A card or ability that is Countered does nothing and is cleared from the chain.
425.1.b. A card that is Countered is not considered to have been played.
425.1.c. Countering does not refund any costs paid to play a card, activate an ability, or trigger an ability.
425.1.c.1. This includes additional costs.