Genshin Impact, the benchmark for this design, uses both a "soft pity" (rising drop rates beginning around pull 74) and a "hard pity" (a guaranteed five-star at pull 90), according to Game8's Genshin Impact pity system guide
If you only have one card in your library as Gollum, Scheming Guide's ability resolves, you'll look at that card, put it back on top of your library, and then continue with the ability as normal
A wonderful app with affordable prices
And don't sleep on Charmander and Squirtle's Illustration Rares, which continue the Pokmon TCG tradition of making Gen I starters ridiculously valuable
Theres also Nesting DovehawkNesting Dovehawk, which copies one of our creature tokens each turn, and gets bigger in the process (kinda scary with Ojer Taq on the board)
Heres whats in store: Over 250 Cards : This expansion is massive, with plenty of new faces and powerful favorites