As long as you have mana up throughout a turn rotation, you can potentially draw three cards from Mind's Eye when playing in a four-player pod
Im not sold on this one, though
As for the primary Mono-Black Control, there are 54 cards that fall in line, with 38 being solid choices
It gains "If this land would leave the battlefield, exile it instead of putting it anywhere else." , , Sacrifice Realmbreaker: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle
Peeking at the top of your library and casting Merfolk from there is a nice effect, and tacking on to create a 1/1 Merfolk is a tasty boon
On the face of it, theres not a great deal thats special about Empyrial Archangel, especially as being a Shards of Alara card it requires three different colours of mana to play