If you are asking "how to know if a pokemon card is rare," this chart is your answer
Today Im going over all of the possible goblin commanders out there worst to best
Angrath, Minotaur Pirate Angrath, the Flame-Chained Anje Falkenrath Awaken the Blood Avatar Baron Von Count Captive Audience Chainer, Nightmare Adept Coalstoke Gearhulk Daretti, Ingenious Iconoclast Defiler of Souls Dragonlord Kolaghan Falkenrath Aristocrat Flamewar, Brash Veteran Flamewar, Streetwise Operative Greven, Predator Captain Hidetsugu Consumes All Karazikar, the Eye Tyrant Kroxa, Titan of Death's Hunger Magar of the Magic Strings Malfegor Master of Cruelties Mishra, Claimed by Gix Mishra, Lost to Phyrexia Mogis, God of Slaughter Mutinous Massacre Ob Nixilis, Captive Kingpin Ob Nixilis, the Adversary Olivia Voldaren Olivia, Crimson Bride Olivia, Mobilized for War Ozai, the Phoenix King Prosper, Tome-Bound Rakdos's Return Rakdos, Lord of Riots Rakdos, Patron of Chaos Rakdos, the Muscle Rakdos, the Showstopper Rowan, Scion of War Sarkhan the Mad Sauron, the Lidless Eye Silvar, Devourer of the Free Strefan, Maurer Progenitor Terminate The Infamous Cruelclaw The Lord of Pain The Scorpion God Tibalt, Cosmic Impostor Underworld Cerberus Valgavoth, Harrower of Souls Vessel of the All-Consuming Vial Smasher the Fierce Vial Smasher the Fierce Witch-king, Sky Scourge
he has only 1 Agility, worst in his class and one of the worst in general
This set also introduces some of the most powerful Pokmon-EX and Mega Pokmon-EX cards ever created, including Primal Kyogre-EX, Primal Groudon-EX, and Rayquaza-EX
First edition Base Set cards are worth dramatically more than unlimited print copies
