Mystery Jade

, also known as , are recurring in .
==Location and Uses==
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In , Mystic Jades can be traded for Train Cars.
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 are rare awarded for completing the following and of the :
*, "Transport the orb quickly!": one 
*, "Clear within the time limit!": one 
*, "Fewer Heart Containers!": one 
They can also be won in the and , or purchased from the for 1,000 each.
 are one of the used to make and the .
==Nomenclature==