Hearthpwn

Is it just me, or is this deck not powerful enough?

Lackeys will most likely recruit some shitty demon, not worth. Slower than all the aggro decks on the ladder right now, pretty sure too slow against controll decks. So basically aggro kills u before u can do anything, controll will stall easy enough to outvalue u.

@edit: there is a nice combo with Summoning Portal + Phantom Militia + Sea Giant for zoolock. And You can play Meat Wagon for easy Summoning Portal draw. Hope that helps :)

You shouldn't play that many one-offs. It makes the deck too inconsistent. Usually if you have something as a one-off it's a legendary or a tech card. Try to cut those and play things 2 by 2, it will work better.

I don't have much large Demons so I think Possessed Lackey will be out of my deck.

Also, is the cards I have much more suitable for Zoolock? If yes, what types of cards should I put?

btw I may consider Summoning Portal combo but I don't have Phantom Militia so maybe some kind of substitution

Militia is so cool cuz of echo (and taunt) and after have summ portal on board everytime u play militia it costs 1 mana. You can summ like 4 militia and giant (if opponent has something on board) in turn 5 :)

Yeah that's OP and I got Phantom Militia crafted, maybe add into deck