The bottom line is that you wont want all your card draw in only one of the colors in a typical multicolor EDH deck, so finding a few red draw staples helps make your decks more consistent
While one less damage is big, it never hurts to have multiple of the same effect, and allows you to get more consistency
Tournament organizers who permit limited proxying (for instance, allowing proxies for a few restricted Vintage staples) frequently report higher event participation, which can offset any short-term reduction in single-card sales with sustained community growth and repeat customers for sealed product and accessories
Although it was a little more expensive, by one Mana, it could also keep the Sengir Vampires and Serra Angels at bay as well
Among the sub-themes, we can point out a focus on high Willpower characters, since they survive many Challenges throughout the game, and a direct Lore gain through Challenges - which means that, in this decks, Challenges not only help with board control but also become your win condition
So, you get a total of 150 cards