This is the current list of available Card-Jitsu Stamps for reference.
Stamp
Availability
League
Description
Begin your journey. Earn your White Belt
League
Continue your journey. Earn your Yellow Belt
League
Third time's the charm. Earn your Orange Belt
League
Use a Utility in a League match for the first time
League
Select your rotational cards using The Draft
League, Card-Jitsu
Win a match with 3 different elements
League
A steady pace. Earn your Green Belt
League
Reach half way. Earn your Blue Belt
League
You're past half way. Earn your Red Belt
League, Card-Jitsu
Win a match with 3 cards of the same element
League, Card-Jitsu
Win without letting your opponent gain any cards
League
Three more. Earn your Purple Belt
Stamp
Availability
League
Description
The journey is near over. Earn your Brown Belt
League
Prove your skills. Earn your Black Belt
League
Win 25 League matches
League, Card-Jitsu
Enter the Hideout for the first time
League, Card-Jitsu
Adopt your very own Zen Puffle
League
Reach the status of Ninja for the first time
League
Be placed within the Top 25 Ninjas in a Act
League, Card-Jitsu
Score 9 cards before you win
League, Card-Jitsu
See the Sensei Power Card