A few off-shoot archetypes for Abzan include lifegain (Bilbo, Birthday Celebrant), poison (Ixhel, Scion of Atraxa and Vishgraz, the Doomhive), and enchantress (Anikthea, Hand of Erebos and Narci, Fable Singer), but none of these are super heavily supported by the 3-color Abzan cards
Creature Artifact - Pirate Dr
The main catch is the mana base: five colors punishes shaky fixing, so having the best dual lands (or at least strong substitutes like shocks/triomes) makes the deck feel much smoother
Now, lets look at Aggravated effects
Against Dredge, Deputy will frequently exile three or four creatures at once, and its the best of all reasonable three-drops in the mirror and against Ensnaring Bridge decks
When you play it, you immediately regain all your mana back due to its effect, allowing for powerful turns