Sensei Card was an extreme difficulty stamp in Club Penguin. In order to obtain this stamp, the player had to see the sensei power card in a Card-Jitsu, whether it is played by the player or the opponent. The Sensei card was a snow element card, with a level of 12.
November 24, 2010
March 30, 2017
This stamp was a bait item if a player attempted to perm it.