The higher the number, the better the card is expected for your deck
This is currently my pick for the most underrated card in the set
Before the tournaments took off, The Pokmon Company used to hold an event called Tropical Mega Battle in Honolulu, Hawaii

Afterburner Expert Battle-Rattle Shaman Bile-Vial Boggart Boggart Cursecrafter Boggart Mischief Boggart Prankster Boneclub Berserker Boom Scholar Breeches, Eager Pillager Breeches, the Blastmaker Burnout Bashtronaut Cam and Farrik, Havoc Duo Champion of the Weird Chaos Spewer Courageous Goblin Crime Novelist Daretti, Rocketeer Engineer Deep Goblin Skulltaker Devoted Duelist Draconautics Engineer Dragonlord's Servant Dropkick Bomber Dynamite Diver Eclipsed Boggart Elder Auntie Enterprising Scallywag Fanatical Firebrand Fleem, Goben's Creation Frenzied Goblin Fugitive Codebreaker Gadget Technician Goblin Boarders Goblin Glasswright Goblin Maskmaker Goblin Smuggler Goblin Surveyor Goblin Tomb Raider Greasewrench Goblin Green Goblin Green Goblin, Revenant Gristle Glutton Grub's Command Grub, Notorious Auntie Grub, Storied Matriarch Gutsplitter Gang Guttersnipe Heirloom Auntie Hexing Squelcher Hobgoblin, Mantled Marauder Howlsquad Heavy Innocent Bystander Krenko, Baron of Tin Street Krenko, Mob Boss Lavaborn Goblins Magic Pot Molten-Core Maestro Mudbutton Cursetosser Nightblade Brigade Nu and Sumi, Career Criminals Picnic Ruiner Prowcatcher Specialist Raging Goblinoids Raging Redcap Reckless Lackey Redcap Gutter-Dweller Redcap Thief Redshift, Rocketeer Chief Retched Wretch Ruzic, Booed but Victorious Sanar, Innovative First-Year Sanar, Unfinished Genius Sandskitter Outrider

In a Whatnot Livestream, Post noted that he shouldnt have played with it before getting it graded
Seems like a great deal