Ruling Rainbow Energy Question?

[Chasepijr]

If I was to play a competitive deck with rainbow energy am I allowed to use rainbow energy from the original team rocket set?

 

[One Approved]

Yes you may, however I *believe* you must have an XY one on hand to use as a reference card because the text has changed quite substantially since its original printing in that set.

 

[Chasepijr]

Awesome thank you/