With the exception of a Kor Spiritdancer and Ajani, every non-land permanent is an enchantment and we will be using that strategy to build fast, early threats with Ethereal Armor, control the board with Spheres and either go in with a big-swing finish with Ajani, Caller of the Pride's -3 ability on one of our beefed up enchantment creatures. A Cyclonic Rift boardwipe also serves as a finisher.
One Drops:
Nyxborn Shieldmate, Hopeful Eidolon, Hypnotic Siren and Gnarled Scarhide.
These are excellent to combo onto with an Ethereal Armor in hand for a decent Turn 2 swing. Hypnotic Siren could potentially become a 4/4 flier with First Strike with a 3x one-drop opening hand. Potentially a 5/5 if you start with Leyline of Sanctity on the battlefield.
Two Drops:
Aegis of the Gods or Nyx-Fleece Ram on turn two is great; but an Underworld Coinsmith is usually your best case scenario to take advantage of all the Constellation triggers you can. Kor Spiritdancer is good here too if you have the aura's to buff it.
Three Drops:
Herald of Torment, Eidolon of Countless Battles and Athreos, God of Passage make up your turn-3 creature base while Detention Sphere can take care of pesky tokens or other threats. Eidolon of Rhetoric is a decent sideboard card to help keep opponent creature counts in check, also @ 1/4 it doesn't have a bad blocking-body if needed. Gift of Orzhova dropped onto a creature that already has an Ethereal Armor provides decent early-game lifelink. Ajani, Caller of the Pride can potentially provide a turn 3 win with his -3 if your turn 1 enchantment creature with Ethereal Armor is still around.
Four drops:
Jace, the Living Guildpact looks like a strange addition to the deck, but his -1 is where I get the most use out of him in this deck. Use it to bounce back one of your previously-cast Detention Sphere's to reuse it on a newer (perhaps more vital threat). Or bounce one of your own Ethereal Armor's and recast it onto a better target than before. Jace's +1 is useful at this stage to help dig for utility cards. Heliod, God of the Sun rounds out the 4-drop creature base and can churn out extra creatures in the form of 2/1 cleric enchantment creatures...which further buffs Ethereal Armor.
Five Drops:
Exquisite Blood is always a must-include in any black decks dealing with life-gain. Sphere of Safety protects you nicely from combat.
If you can't win with combat you can always keep gaining life and ping your opponent for 1-2 each turn using Underworld Coinsmith.
Blind Obedience is also a nice two-drop to get early game to extort your opponent early/mid-game and Rogue's Passage will allow big creatures to swing for unblockable and Aqueous Form provides unblockable damage and helps dig through the deck.
Tons of fun, tons of triggers and I love sitting there laughing while a Nyx-Fleece Ram with Ethereal Armor and Gift of Orzhova charges in as a 6/11 first strike, flying, lifelink TURBO-SHEEP. Add the vigilance adder from Heliod, God of the Sun and you should be in real good shape.