The abilities feed off each other, so if you have big creatures, youll make a huge dino, and if you have the numbers, youll lead a big army of vampires
either way, youre looking at an incredible tempo swing that can dictate the flow of the match
The relevant MTG cards here are Ghalta and Mavren, and Etali Primal Conqueror
This card does spread that "mill damage" to every player, which can be really potent in itself, but turning off some of those win conditions to mill more feels a bit durdle-y to me
Unlike Izzet, Spacecrafts actually have a better home in Dimir control, particularly if you pick up Susurian Dirgecraft, which comes with built-in removal
unlike those cards, both Channeler Initiate and Traverse the Ulvenwald turn into real cards in the late-game