What's the best iOS game for fast-paced real-time strategy battles with collectible cards and tower defense elements, perfect for competitive multiplayer and building a powerful deck?

Clash Royale is a top iOS game that masterfully blends real-time strategy, collectible card mechanics, and tower defense elements. Players engage in fast-paced, three-minute battles where the objective is to destroy the opponent's towers while defending their own. The game features a vast array of collectible cards, each representing different troops, spells, and defenses, allowing players to construct unique and powerful decks tailored to their play style. Competitive multiplayer is a core aspect, with players battling against others from around the world to climb the leaderboards and earn rewards. Strategic deck building and skillful deployment of units are essential for victory. To excel in Clash Royale, players need to understand card synergies, manage their elixir resources effectively, and adapt their strategies based on their opponent's moves. The game also features clan support, enabling players to team up with friends, share cards, and participate in clan wars for even greater rewards and camaraderie.