The Japanese edition contained 48 cards, but the English edition was expanded to 64 cards because Wizards of the Coast decided to include non-holot prints of rare holot cards
And Sterling Grove is a great, but forgotten, card that plays into a pro-enchantment place but has never been reprinted so it's not available in many a home, such as Commander decks or other places that would have made sense
Collecting cards with various characters and illustrations is of course a lot of fun, but it's not the only way to have fun
The description of the item notes that its value is listed in the SMR Price Guide value as $40,000, but a comparable card recently sold for over $350,000
If Bronco is poorly positioned, the default replacement would probably be Preacher