Of course, if you choose to get a card graded with a company like PSA that can impact the value
Anytime you cast a spell or play a land from exile, Pia gives you a 1/1 Thopter token with flying
Deck List VolcanicDeck List Pure Volcanic Deck and Deck Instructions "Pure Volcanic" Deck 2023 Deck Introduction/Deck Commentary Related deck "Volcanic" Other Deck List 2023-05-29 Do you prefer well done? 2023-05-14 Volcanic heater 2023-03-08 Volcanic Synchro Kai 2020-04-29 Volcanic configuration plan 2020-04-27 Volcanic Burn of Guidance 2020-04-27 Volcanic Burn 2019-02-02 Volcanic Yosenju 2019-01-28 Volcanic 2018-11-22 Volcanic (with valet) 2018-01-19 Celestial Wheel with Links Volcanic Burn 2017-12-18 Volcanic 2017-11-07 Volcanic 2017-10-02 Gun live
Prices vary depending on the company, the card's declared value, and how fast you want it back
Of the more popular ones, Card of Safe Return provides extra digging every time Jar is revived, Level Limit protects the Jar player while they assemble the combo, and Rock Bombardment grants immediate access to Jar should you have a Shallow Grave
This explains why Hyper Rare Darkness Energy was one of the few other Shrouded Fable cards that managed to gain value after the set released