Form of the Dinosaur

Hexproof.
When Form of the Dinosaur enters the battlefield your life total becomes 10.
All creatures have "{t}: this creature fights another target creature".
At the beginning of your upkeep if you don't control a creature named Inner Dinosuar put a legendary 5/5 green white and red creature token Dinosaur with Trample and Vigilance onto the battlefield named "Inner Dinosaur".