Metal Cardbot W
Action meets sci-fi in this series—ideal for viewers who want both spectacle and substance.
Shining friendship and strong claws! Metal Cardbot W! After the Speranza incident, humans and Metal Cardbots began to coexist on Earth. Jun, a boy chosen by the Metal Breath, and his partner Blue Cop discovered a way for humans and Metal Cardbots to coexist. Then one day, a "Wild Cardbot" appears, holding a 60 million year secret. Now, a new encounter begins to shake the world. (Source: Metal Cardbot Wiki)
Plot summary from MyAnimeList. Data and images via Jikan API.