Do you think its worth bringing back
Arena and Giant Badger would both be reprinted in Time Spiral and 8th Edition respectively, but other 3 had not received any reprints, meaning that the only way to achieve them was to either buy the right book and exchange the voucher and wait for your card to be delivered to your address, or hunt it down from a seller
Like most Magic: The Gathering cards, the value of Gandalf of the Secret Fire 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 (Tales of Middle-earth Commander)
If you wish to make a whole new account on the same device, you can do so by uninstalling and reinstalling the Pokemon TCG Pocket app
For example, the Umbreon ex #161 card has a raw price of $1,247.76 and a high-end price of $3,150.89 for cards graded at 10, according to ArizonaTCG