On the right you can see your card stats and skill, the “+” stats represents the bonus stats given by equipment, be sure to read your cards skill since it has great impact on the gameplay, the symbol on the left of the card name represents their classes, cards can have one of the five following classes: Knight, Assassin, Archer, Mage and Priest, each of them specialize in something different, to make it quick: Knights focus on defense, Assassin single target damage, Archers sustained damage, Mages debuffs and AoE, Priests cure, it’s important to keep that in mind when making your formation later on.