Impulsive Maneuvers [Secret Lair: Heads I Win, Tails You Lose]Set: Secret Lair: Heads I Win, Tails You Lose Type: Enchantment Rarity: Rare Cost: {2}{R}{R} Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.