Perfect for pre-grading preparation (PSA, PCA, CGC, Beckett, CCC) to help you improve your cards
But seriously, having a second copy of Burglar RatBurglar Rat is good enough, but having it with relevant creature types is absolutely going to make a difference for a lot of decks
In Base Set, the highest HP any Pokemon had was 120, meaning Hitmonchan could very quickly take down smaller threats with Jab for 20 HP while building up for Special Punch for 40 HP to take out any larger foes too, making it a competitive staple
Top 10 Most Valuable S9 Star Birth Cards Charizard V SA leads S9s value structure by a significant margin at ~42,800, it is nearly 3 the second-place Charizard VSTAR HR
Cobalion's second move is called Iron Breaker and does 80 damage for three energy cards, two metal and one colorless