Better not get in this duck's way
P/T Number 68 Language English Not Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Standard, Timeless, Vintage Rulings (2/29/2020) For the first ability, you roll a die that isn't already in the game
The deck deals giant outbursts of damage, and if your opponent doesn't have removal or a blocker, they won't be in the game for long.
The only issue is that dinosaur commanders tend to cost a lot of mana
Combine that with Ripple (good luck getting multiple copies), Recover (a very weak mechanic) and Rune Snag cycle, you just don't have a good likelihood of opening something relevant
Maybe someday they will give it Seahorsemanship