In total, 45 cards at the least: two sheets of A4 paper should be enough, cut 46 into squares
This was such a load off my back going from sweaty competitive matches on Arena, being griefed by Blue-Black control decks spamming passive-aggressive emotes to try and make you rage quit out of the game, to a MTG format that specialises in fun, silly, emergent interactions that come from the humans playing Magic - and not just a competitive deck list that someone has spent hundreds of pounds recreating
If you are spending a lot of time doing Quick Draft you will start to identify "bot trends," where the bots undervalue certain cards and thereby allow you to take advantage of their tendencies
Edric is a fantastic commander for those who enjoy the political aspect of EDH, convincing your opponents to turn their aggression elsewhere as you compile an unblockable army with a Triumph of the Hordes lurking in your hand
Another important factor is exclusivity