Super Pets have come to Infinity City! This Expansion deck is to be added to the original Numbers League game. It adds 30 new cards to the base game. Included in this expansion is: 21 heroes building cards (for a total 7 new matching heroes) 6 devices cards and 6 new villains Note: Expansion needs the base game, it does not stand on its own. For more information on how this game plays, please see base game.