Whenever an opponent draws a card, you may draw two cards, is an absurd line of text
Dratini x2 Dragonair x2 Dragonite x2 Pincurchin x2 Zapdos ex x2 Professor's Research x2 Giovanni x2 Sabrina x2 Poke Ball x2 X Speed x2 It's the Giovanni that's probably the least essential card here, so feel free to swap it out either for a Meowth (for the per-turn card draw) or some potions (for survival)
[Archive] Muk's fine assortment of exquisite Japanese cards 2024/11/20 Muk's fine assortment of exquisite Japanese cards 2024/11/20
While I don't see this being the most expensive Crystal price-wise (that honor goes to The Earth CrystalThe Earth Crystal), I can certainly see this being one of the most widely adopted across multiple archetypes
Beginner decks are built around one type of mana, but as you progress you can combine different mana to summon more unique units
Hunter X Hunter Inuyasha Kingdom Hearts Kuroko's Basketball My Hero Academia Naruto Negima One Piece Titles P-Z Ranma 1/2 Rurouni Kenshin Sailor Moon Saint Seiya Saiyuki Slam Dunk Tenchi Muyo Trigun UTA no Prince Sama Weiss Kruez Yu-Gi-Oh