Jackknife

Jackknife (ジャックナイフ) are a series of cards with Jackknife in their card name, they are currently unique to Dragon World.

List of Sets containing Jackknife Cards

 * Booster Set 1: Dragon Chief
 * Booster Set 2: Cyber Ninja Squad
 * Trial Deck 3: Dragonic Force

List of Jackknife Cards

 * Jackknife Dragon

List of Jackknife Support

 * Jackknife Dragon