While it was relatively rare to see cards banned in Standard before the release of Magic the Gathering: Arena, the sheer volume of games being played today means that players identify key strategies much faster
A 3/3 flier for two mana that lets you Crew your smaller creatures like Thraben Inspector or Toolcraft Exemplar is every bit as great as it sounds, and it creatures a pressure vacuum very quickly by letting you filter your hand with card draw and begin sculpting a gameplan almost immediately
So its worth considering them when asking the question of how many total Magic cards exist
Casual collectors can use it to quickly catalog their cards and learn what they're worth
Buy a starter, add singles for staples, then open sealed product when you want the experience
Once it dies, we can cast the backsideDorothea's Retributionfrom our graveyard, giving us an extremely aggressive aura that essentially allows any of our small Spirits to hit for four extra damage each turn in the air, which sometimes allows us to play this weird tempo game where we stick a Dorothea's Retribution early in the game, protect the enchanted creatures with counterspells like Geistlight Snare, and more or less pick up a free win