We took a look at all the rare cards released across Magics history and found the most valuable among them
I was able to help him out by giving him some of my cards, too

Rime #35Rare $0.25 Remoraid #36Common $0.14 Octillery #37Holo Rare $0.27 Corphish #38Common $0.08 Crawdaunt #39Uncommon $0.08 Empoleon V #40Ultra Rare $0.87 Frillish #41Common $0.13 Jellicent #42Rare $0.34 Bruxish #43Uncommon $0.11 Electabuzz #44Common $0.13 Electivire #45Rare $0.21 Shinx #46Common $0.16 Luxio #47Uncommon $0.16 Luxray #48Holo Rare $0.43 Pachirisu #49Common $0.08 Tapu Koko V #50Ultra Rare $0.74 Tapu Koko VMAX #51Ultra Rare $1.63 Yamper #52Common $0.12 Boltund #53Rare $0.19 Galarian Slowpoke #54Common $0.20 Spoink #55Common $0.11 Grumpig #56Uncommon $0.17 Baltoy #57Common $0.09 Claydol #58Rare $0.21 Chimecho #59Common $0.12 Espurr #60Common $0.22 Tyranitar V (Alternate Full Art) #155Ultra Rare $273.84 Rapid Strike Urshifu VMAX (Alternate Art Secret) #170Secret Rare $77.88 Empoleon V (Alternate Full Art) #146Ultra Rare $72.02 Mimikyu V (Full Art) #148Ultra Rare $46.88 Single Strike Urshifu VMAX (Alternate Art Secret) #168Secret Rare $32.25 Houndoom (Secret) #179Secret Rare $25.82 Victini VMAX (Secret) #165Secret Rare $20.77 Rapid Strike Urshifu V (Alternate Full Art) #153Ultra Rare $18.87 Single Strike Urshifu V (Alternate Full Art) #151Ultra Rare $18.49 Phoebe (Full Art) #161Ultra Rare $14.77

Magnetic holders are for the cards you want to see every day: Sleek, rigid, and satisfying to snap shut Built for 35pt cards like most standard Pokmon (but watch thickness if you're dealing with textured foils) Look amazing on shelves or stands Bonus: some versions offer UV protection A quick tip from the trenchesif you're using magnetic cases, sleeve the card with a perfect-fit first
But you can't just win the game off powerful cards
Every deck is built around exactly one Leader, so while the base print is inexpensive, alternate-art Leader parallels command a real premium