The Rider Cards (ライダーカード, Raidā Kādo) are cards containing the power of past Kamen Riders used by Kamen Rider Decade and Kamen Rider Diend. Kamen Rider Zein utilizes one-time use only variants called Zein Cards. The KamenRide Cards (カメンライドカード, Kamenraido Kādo) possess the power to transform into the Riders they represent. It seems the cards are more than just items that hold the power of the Riders, as they sealed themselves until Tsukasa did something which helped the respective A.R Rider and l