If you want play faster, I suggest you to put off Birds of Paradise and Noble Hierarch, because Youve 4x Collected Company to restart the battle after mass removal, so you want to play bigger creatures.
Then, in the first turn, you can play: 4x Experiment One, because it became so big! And also help Avatar of the resolute to became bigger too! Youve to play more +1/+1 counters creatures.
So, I suggest you:
- 4x Noble Hierarch
+ 4x Experiment One
- 3x Birds of Paradise
+ 1x Avatar of the Resolute
+ 1x Scavenging Ooze
+ 1x Predator Ooze
- 2x Aspect of Hydra
+ 2x Rancor

Thanks for the comment, Decapablo. What you are suggesting is much closer to traditional stompy and is, in a decent part of how it runs, a different deck. This version is still plenty fast (have had turn 3 wins) it just focuses more on being explosive and burst damage than regular stompy. I am only running mana dorks at my 1 drop slot so that I can usually get out a 3 drop on turn 2 and potentially Collected Company on turn 3.