Jar
"Jar", known as "Pod" (ポッド Poddo) or "Pot" (ポット Potto) in the OCG, are a series of low-Level Flip Effect Monsters that help the controller and/or the opponent gain field and hand advantage. Because of their good effects, "Fiber Jar" and "Cyber Jar" have been Forbidden, while "Morphing Jar" has been Limited.
See also: Empty Jar.