Mythic Percentage and the top Mythic rankings
Considering Steel Leaf Champion is legal in all the same formats, it's hard not to argue you should be playing it instead, considering you don't have to jump through any hoops, and it can't simply be chump-blocked by small creatures
Pantlaza, Sun-Favored brings the discover mechanic front and center in the deck, letting you discover for X, with X being the creatures toughness, anytime it or another Dinosaur enters the battlefield under your control
A new player grabbing a first deck or a returning pirate adding to a growing collection will find that picking the right one makes every game way more exciting
The deck just has too many card advantage engines for control to keep up with, and the deck doesnt have any issues handling an Uro, Titan of Natures Wrath with all the exile-effects and a full playset of Karakas
Epicure of Blood