When building a deck, you can use a wildcard to "craft" any card of that rarity
Youre already focused on producing a favorable exchange rate from one resource to another, and youre almost never restricted in when or how often you make those trades
Dragonite ex Evolutions (Ultra Rare, 106/108) This majestic full-art Dragonite ex from the 20th-anniversary set is often overshadowed by other popular Pocket Monsters native to the Kanto region, leaving its price surprisingly low
Tinker Bell has always been a fan-favorite for many, and the design on this card features her wearing a stunning outfit while holding a magical scepter
Cabal Coffers Flipped Itlimoc, Cradle of the Sun Nykthos, Shrine to Nyx Aside from accelerating you significantly, it can also untap lands that enter tapped, and provide you a second go on Maze of Ith and Spires of Orazca, among other effects
General Advice: To prevent any potential damage, always test your cleaning and maintenance techniques on a base card from the same set before handling more valuable cards like the 1st Edition Charizard