Eriette of the Charmed Apple Eriette of the Charmed Apple stands out among the Orzhov offerings for Pillow Fort
Hateful Eidolon helps mitigate some of that problem
None of them are particularly good alongside Planeswalkers with the exception of Sliver Queen, which can crank out lots of little blockers
Putting those two assumptions together, it is safe to conclude that the price of Blue Ugin would unlikely drop any lower than set foil Ugin, which is currently at $97, even in the scenario where Blue Ugin is reprinted as a judge foil, based on the merit that Blue Ugins are scarcer
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
That creates more problems for Pokmon than it solves, sets are made to be printed and reprinted