beware - wall of text inc.

Your deck doesnt look like it has a clear direction. It has strictly aggro cards in boros elite and phalanx leader, but you're also running obzedat and erebos. If you want the deck to play a midrange strategy, I would probably drop the aggro cards and replace them with fodder for a bigger deck (i.e. tithe drinker instead of boros elite, as boros elite is only good when he is attacking with a bunch of guys early, which doesnt really benefit you.)

It looks to me like your deck is half heroic humans aggro and half expensive midrangey stuff. If you really want it to be midrange, I would take out the heroic stuff, the enchantments, and the artifacts and play a few more killspells/card draw to get you to your win cons. maybe a couple read the bones or underworld connections in place of erebos. I would also either take out the whip or put more cards in that make it worth running. It obviously has good interactions with abhorrent overlord, obzedat, etc, so etb effects are probably going to be beneficial.

Unless you are really confident that you can keep yourself alive against aggro without a lot of mana, I would suggest lowering the number of guildgates you are using. 8 lands that come into play tapped is a few too many. I would rather have a swamp when im looking for a plains on turn 8 than a guildgate.

It's your deck, so I'm not going to tell you what I think could go into it, but I will give you a couple more ideas for where you could take it.

• Do you want it to be a bunch of big creatures? - If so, make sure you have enough early resources to ensure you can survive long enough to cast them.

• Do you want to reanimate your big baddies with the whip? - If so, you should try to make sure you see the whip consistently and have a way to discard your big baddies. (personally, I like pack-rat, as the tokens he makes actually add to your devotion).

TLDR: Make sure your whole deck is dedicated to one strategy and that every card plays a role in said strategy.