Legendary Battle Decks [Moltres] $84.96 Legendary Birds Pin 3 Pack Blister [Moltres Pin] Enhanced 2-Pack Blister Pack [Galarian Articuno, Galarian Zapdos, & Galarian Moltres] $38.42 Enhanced 2-Pack Blister Pack [Articuno, Zapdos, & Moltres] $29.57 Team Rockets Moltres ex Ultra-Premium Collection $384.47 Team Rockets Moltres ex Ultra-Premium Collection Case $1049.12 Chilling Reign 2 Pack Blister [Galarian Zapdos V, Articuno V, Moltres V] $40.16 Crown Zenith Tin [Galarian Moltres] $145.01 Blaine's Moltres #1Holo Rare $114.66 Galarian Moltres #93Holo Rare $0.45 Galarian Moltres #93Rare $5.72 Galarian Moltres #26Rare $1.16 Galarian Moltres - 079/172 #79None $0.24 Galarian Moltres - 190/172 #190Art Rare $10.76 Galarian Moltres - SWSH284 #SWSH284Promo $14.15 Dwebble #11Common $0.21 Arboliva ex #23Double Rare $0.73 Heat Rotom #43Common $0.19 Teal Mask Ogerpon #26Uncommon $0.09 Arcanine #28Uncommon $0.15 Cynthia's Milotic #53Uncommon $0.11 Torchic #40Common $0.24 Ethan's Typhlosion #34Rare $0.30 Misty's Psyduck #45Uncommon $0.28 Hearthflame Mask Ogerpon #44Uncommon $0.11

Another popular Rebound card with a few bucks is Ephemerate, a one mana instant printed numerous times
Only you can answer this question, but if you are curious about giving grading a try, and are grading for value, the safest bet is to focus on the household names: for baseball, Mickey Mantle, Willie Mays, Hank Aaron, Jackie Robinson, Roberto Clemente, Sandy Koufax, and popular Hall of Famer rookie cards are a good place to start
Ive basically given up on getting CGC to recognize the variants right now