Straightaway, you can see that my decklist contains 37 Vampire creature cards
'Mirabel Madrigal - Gift of the Family' may buff other Madrigals, but you're not going to pull this card consistently, as the starter deck only has one copy
War of the Spark offers new toys, specifically two-mana ones in Tomik, Distinguished Advokist and Fblthp, the Lost as cheap ways to turn on Mox Amber
This set of 25 cards gives you a head-start on any decks you may want to build, by including some of the best go-to options in the color
I also play very, very good cards, and I sometimes feel bad for playing them because I don't think it's that interesting to just grab the best new cardboard with the goal of maximizing my win percentage
But I find that there is normally a worse threat in the above three categories that I have to sandblast