Yup, it's time to look back at the game's ante system
Booster Packs and Boxes: English vs Japanese Pokmon TCG booster packs and boxes have significant differences between the two languagesboth have their pros and cons
Investigators Journal Mazemind Tome saw a lot of play throughout its time in Standard and while Investigator's Journal is not guaranteed to draw three cards each time, in certain matchups it can potentially do more than that

OP12-080 Baratie OP12-081 Koala OP12-081 Koala OP12-082 Issho OP12-083 Inazuma OP12-084 Emporio.Ivankov OP12-085 Karasu OP12-086 Koala OP12-086 Koala OP12-087 Nico Robin OP12-087 Nico Robin OP12-088 Bastille OP12-089 Hack OP12-090 Belo Betty OP12-091 Poker OP12-092 Mizerka OP12-093 Morley OP12-094 Monkey.D.Dragon OP12-094 Monkey.D.Dragon OP12-095 Lindbergh OP12-096 Ursa Shock OP12-097 Captains Assembled OP12-098 Hair Removal Fist OP12-099 Kalgara OP12-100 Sabo OP12-101 Jewelry Bonney OP12-102 Shirahoshi OP12-102 Shirahoshi OP12-103 Seto OP12-104 Sentomaru OP12-105 Trafalgar Lammy OP12-106 Trafalgar Law OP12-107 Donquixote Doflamingo OP12-108 Donquixote Rosinante OP12-108 Donquixote Rosinante OP12-109 Pacifista OP12-110 Buffalo OP12-111 Baby 5 OP12-112 Baby 5 OP12-113 Roronoa Zoro OP12-114 Wyper OP12-115 I Love You
The Sylveon exs ability to draw extra cards, along with Poke Ball and Professors Research, can help you set up Charizard ex sooner
Either way, grading those cards is a much more desirable method of preserving that card than letting it sit around in a binder somewhere