Its possible there are JP-only DP/DPt/HGSS series cards that meet the criteria that Im overlooking.) Shelmets high retreat cost is likely a bit of flavor its shell is a burden that slows it down, but when it loses it on evolution, it is so agile some of its evolution cards even have a retreat of 0.
1st Edition 1999 Pokemon Unopened Card Set Sells For $56,000 A box of unopened, original Pokemon cards from 1999 have sold for $56,000 at auction
(Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.) Enchantment Scroll of Isildur (As this Saga enters and after your draw step, add a lore counter
Ellie and Alan, Paleontologists is one of my favorite cards with discover because it has a repeatable effect that can be used multiple times a game and even on the same turn if you manage to untap it and have enough creatures in the graveyard
Otherwise, sacrifice it
It gets to keep all the special abilities and effects they have though, letting you have extra copies of them out and about