If this card you control is destroyed by your opponent's card and sent to your GY: You can add 1 Quick-Play Spell from your Deck to your hand, except "Quick Booster"
The other option some collectors take is cracking the slab entirely and resubmitting raw for a fresh assessment
Another issue with the Pokmon TCG Pocket app is that there is no good way of checking what cards are not in the collection in general
Next you can go either two ways, If you have any of the most expensive MTG cards, you can get in contact with us and we can make you an offer for your cards based on condition, or you can send your card to be professionally evaluated
Selling your Pokmon cards
Void outside the United States, in Canada, Puerto Rico, and all other U.S