Commune with Dinosaurs is one of the best tribal payoffs for Dinosaurs
Daretti, Scrap Savant, on the other hand, is far more synergistic with the Painter's Servant/Grindstone combo, allowing you to sac a Sensei's Divining Top or Phyrexian Revoker to get back a missing combo piece from the graveyard, and digs deeper assuming you have some cards to discard
While Ruby decks dont focus on items too much, having items across different ink colors offers unique ways to slide in tech
Flash doesn't tend to work well in this kind of cycle as it reads differently than the other keywords
If the chosen target is an illegal target by the time Stomp tries to resolve, the spell won't resolve
It also locks you out of interacting with your opponents until your next turn, because your lands phase out, too