Like most Pokmon cards, the value of Empoleon depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Platinum)
Sure, we no longer have the Alesha, Who Smiles at Death combo with the cryptid ghost, but blinking this horror to deal with indestructible creatures is very efficient
Bonker numbers for TCG Pocket Folks are commenting why POGO and Masters aren't on this, its because its going off of the "developer" lists for Apple and Google
If you prefer using a deck with Sapphire cards (check out our guide to Lorcana Ink Types for more details), it seems like a no-brainer to include Mufasa right now
In terms of gameplay it was once again a replica of the same moveset as the Flashfire M Charizard EX