Im going to say its been at least 10 thats 50 matches
Pushing your deck above 60 (or 40) cards makes it harder to find key cards, increases the risk of "mana flood" (drawing only lands, so you have nothing to cast) and "mana screw" (drawing too few lands, so you can't cast any of the spells in your hand), and makes it more likely that you'll draw unplayable hands
The Raccoon Bard turns Artifacts that arent Equipment and Enchantments that arent Auras into 4/4 creatures with Indestructible and Haste
I hope we see more of them soon both with new mechanics and as lore devices
WotC naturally wanted to reprint a bunch of classic cards but worried about the effect they might have on Standard, Pioneer, and Modern
The wide variety of effects on Humans alongside a plethora of rainbow lands that make them all castable creates a diverse and well-rounded gameplan that covers lots of angles