Common cards do 1 to 20 dmg (damage) Uncommon cards to 20-40 dmg, Rare cards do 50-70 dmg, Legendary cards do 70-90 dmg, Opal cards do 90-120 dmg, Garnet cards do 120-200 dmg. You can use Scratch characters and Other characters. If you want to customize a card, you can only customize Common, Uncommon, and Rare
credits: Pokemon, Kid Icarus, & @Weegee726