Unity (Abzan Allies) (Modern)

Since Nef has changed to Naya Aggro. You can find his updated list at tappedout(dot)net/mtg-decks/unity-3/

UR/Black/Colorless Eldrazi Aggro/Eldrazi Ramp: Ghost Quarter + Surgical Extraction their Eye of Ugin. Try to get some Hardened Scales in play to pump your Allies to be bigger than their Reality Smashers. Path to Exile huge threats like big Endless Ones.
+2 Ghost Quarter
+1 Path to Exile
+2 Surgical Extraction
-3 Kabira Evangel
-1 Gideon, Ally of Zendikar
-1 Godless Shrine

Grixis Control: Kabira Evangel + Retreat to Emeria + Fetchland = instant speed protection from X. You can Surgical Extraction their attempts to Snapcaster.
+1 Kabira Evangel
+2 Surgical Extraction
+2 Retreat to Emeria
-1 Nissa, Voice of Zendikar
-1 Path to Exile
-2 Harabaz Druid
-1 Lantern Scout

Affinity: Mulligan into Katakis. Use removal on any lethal threats (e.g. Inkmoth Nexus, Cranial Plating, last ditch Arcbound Ravager).
+3 Kataki, War's Wage
+2 Abrupt Decay
+1 Path to Exile
-3 Kabira Evangel
-1 Nissa, Voice of Zendikar
-1 Gideon, Ally of Zendikar
-1 Hardened Scales

Burn: You win any drawn out game thanks to all your life gain, so remove threats as you see fit and play Ondu Clerics soon and often. You do not need to swing in with your support Allies after a Lantern Scout Rally unless you're facing lethal on the crackback. If you know that they are sideboarding in Blood Moons or the like, save your Abrupt Decays for those while fetching out basic lands.
+2 Abrupt Decay
+1 Path to Exile
+2 Ondu Cleric
+1 Kabira Evangel
-4 Bojuka Brigand
-1 Gideon, Ally of Zendikar
-1 Adaptive Automaton