You dont get to play around Strip Mine
To me, one of the strongest selections of cards in the set isn't even the Ultra Rares, but the Common/Common/Uncommon/Holo Rare Fennekin line
As such, if now information becomes available, or if it turns out I made some mistakes, Ill come back and edit this to the best information I can give you
For players who want the Garchomp ex in their deck without the SAR premium, this is the practical choice
This won't touch generic mana costs or other colors, and it only works on permanents, which was clearly done to keep them from getting broken by casting free Brainstorms, counters, Lightning Bolts, Swords to Plowshares, etc
So make sure to make the best out of them before their story time is up