That could lead to some fun combos, but again, it depends on which cards he can combo with
Hes currently going for just over $100, and I'd be very surprised if hes not very, very popular in Commander decks to come
In exchange, you get to search your library for a Dinosaur creature and put it directly onto the battlefield
It may be only useful for pure Goblin tribe decks, another idea, inspired by Dragon Fodder, would be to create a Dragon deck where the Goblins serve in parallel as prey and maintain a steady onslaught while the flying Lizards cause chaos and damage
It gives you the monarch ability, and once youre the monarch, your creatures are unblockable
To make a good deck, you want to focus on just a few strategies instead of all different cards and no real plan