Elite Pro XL Limited Edition First Run

[MeanGreen]

A friend of mine found a disc out on the course we normally play, and he gave it to me, but I'm not exactly sure which disc it is. It says " Limited Edition First Run Discraft Elite Pro XL." I know there's Elite X and Elite Z, but what material is Elite Pro?

The disc seems to fly great, but it is slightly warped. Is there anyway to make it unwarped?

Thanks.