sentences:  These points were used to construct a team of two to five X-Men totaling 30 points or less.Players used "lightning" and "power-up" cards to create game effects, including preventing damage done to characters and increasing the ability ratings of a selected character, and used "mission" and "momentum" cards to launch team attacks on the villains or the opponent's team.Dice were rolled to determine the amount of damage dealt to the villain and the team, as well as which mutant powers were triggered in the battle.