Future Card Buddyfight
フューチャーカード バディファイト (original)
One day, an illegal monster appears looking for the strongest BuddyFighter. After being defeated by Gao, he tries to warn everyone of an upcoming threat, but his memories are stolen by a mysterious person. Just then, 100 illegal monsters appear on Earth, but rather than attacking, they go away leaving everyone worried and confused.
Starring
Watch "Future Card Buddyfight" on Crunchy Roll released in 2014. It's a animation and action & adventure show, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of show.