TrackingDevice

I actually think you don't need path of discovery or nissa
-2 nissa
-2 path of discovery

+ 4 winding constricter

And I don't think elves are need in such a low curve
-4 elves
+4 pelt collector?

Pelt collector has good syngery with winding constricter

Maybe rishkar could also go well in this kind of deck?

I understand it's not hard to know a role but I personally don't enjoy looking at every card, and when I'm deck building I enjoy sorting cards based on role to see what I need more of or less of.

I always like defender decks I thin hautli should be swapped for assault formation,while hautli is good with high toughness she doesn't allow defenders to attack.

I have a similar deck to this but I splashed blue for Headron crab and muldrotha. https://www.mtgvault.com/trackingdevice/decks/sultai-gifts/
I've had success with my casual playgroup and something I've noticed is that you want a lot more creatures
I think playing creatures with etb can replace your Noncreature spells such as shriekmaw as a removal spell instead of putrefy.

Not sure if you are in a strict budget with this so I'll suggest non budget and budget versions
First I would get more single target removal
A play set of path to exile should do for now
--or journey to nowhere for budget
Next maybe some stronger walkers to close out games such as Gideon ally of zendikar and Elspeth sun champion
--or I also like ugin from war of the spark in my casual budget control decks makes a token and nets you a card
A few cards you could drop..
--gideon's sacrifice doesn't really do much at all
--hautli's raptor as a two drop it seems to want to come out before the walkers but it is weaker that way
--body double seems odd for this deck maybe try spark double instead

I don't usually comment on these threads or other deck tbh, but this one peaked my interest. I like the idea of people being supportive just as you said, but I only use vault to store deck ideas I'm passionate about and I'm sure many others do to; however, I keep mine unlisted and I'm not really worried about likes. I would love to be a part of the community, but sadly a lot communication is unavailable. Sure I could comment on decks and suggest a card here or there, just, I feel like it could be a step farther. Imagine vault being more of a social media site we can pull ideas from them, such as, a live chat system (an all chat or smaller group chats), a mix between decks and forum (article decks). We could have tabs sorting formats so you can see only the decks that concern you. People will always make a quick draft of a deck and walk away, the problem is that it fills the home page.

P.S. a few things I would like to see is
a custom category for making commander decks such as ramp spells, draw spell, etc. I feel it'll be easier to build and view a deck versus looking at a pile of creatures, spells, and lands.
Also maybe an auto tag system for if a deck meet certain theshold on subjects it gets an tag for that thing
Such as "decks under 50 dollars get a budget tag" or "decks with a high creature count is creature centric".

they stack, yes.

Give the opponent a mountain if he needs mountainwalk I am assuming?

So if you stay in blue and green I don't really think you really need birds when I see your curve.
I think Sidisi's faithful could replace birds or even the kraken hatchling... Permeating Mass is also an interesting choice for dealing with big threats.

You could run arcades, the strategist.
Also, I suggest running creatures with higher toughness like wall of omen is good.
Wall of Frost is an old classic along with wall of tanglecord.

Have you considered genesis chamber?

Is this a budget deck I would add some duel lands
Also I would drop attune with aether with something else, Anything else honestly I don't think it is good in a deck like this.

I would drop exemplars for something else like lightning helix and a faster creature.

http://www.mtgvault.com/trackingdevice/decks/cloning-machine/
Here's a version I have been working on.

If you use the idea I had you could go with hornet queen or armada wurm.
Which would create a ton of tokens when copied with parallel lives or anointed possession.

Tron lands is like 2 dollars each I think being 24 dollars total.

Yeah that may be a concern. If ya give me what your budget is I can help better.

Here is a few cards I was thinking of.
I will build a version of this deck and share what I come up with

--Wurmcoil Engine x4
--Parallel Lives x4
--Rite of Replication x2

Wurmcoil with Parallel is already good but with rite of replication it will be crazy

That sounds about right.

I would say forget the white and go Parallel Lives instead and use green ramp.
If I was picking a target for Rite I would check things with hexproof so your opponent can't shoot it down with something like path to exile.