For example, you could exile four cards illustrated by Zoltan Boros and one card illustrated by Zoltan Boros & Gabor Szikszai
Other colors: Necrons, especially Crypteks, are technologically sophisticated, which implies blue should be one of their colors
Passively playing creatures from the top is great as well, and it gives you more opportunities to set up the -2 for good value
Affectionately known as The Fish due to its artwork, Mystic Remora thrived in an environment filled with Mox Sapphire and cheap non-creature spells (such as Ancestral Recall, Swords to Plowshares, and Demonic Tutor)
Then, so long as you control four or more Humans, every Human you control gets +2/+2
Molten Man gets +1/+1 for each Mountain you control