Ultimately, Dinosaurs are an incredibly fun creature type to explore, so lets swoop down, much like a Pteranodon, and explore the best Dinosaur cards for Commander
As long as Tymaret is under your control, the two black mana symbols in its own mana cost will count
You can sacrifice only your own permanents
Leonardo the Balance is another creature that hits on flavor, at least from the card design perspective
removing red cards from the graveyard makes it fairly difficult to achieve delirium quickly
This works best with some way to ditch the cat token, perhaps a Skullclamp or Goblin Bombardment, but its just a filthy card either way