Complete Out-of-the-Box Play – Includes prebuilt decks designed for balanced matchups, making it easy for anyone to learn and start battling immediately. Multiplayer Mayhem – Supports 2-4 players with flexible gameplay modes, from head-to-head duels to strategic alliances and shifting battles. Step-by-Step Learning – A guided play experience helps new players master the game quickly, while deck upgrade suggestions provide an easy transition to competitive play through booster purchases (sold separately). Track Your Victory – Includes brand new custom acrylic champion figures featuring Annie, Master Yi, Lux, and Garen, with double-sided expressions—happy when you're winning, grumpy when you're not! The Ultimate First Step – Whether you’re a longtime League fan or a newcomer to trading card games, Proving Grounds is the perfect way to begin your Riftbound journey!