Pantlaza's Discover ability means that each dinosaur you cast has the potential to trigger a cascade, letting you fetch up one or potentially more other random dinosaurs from your deck (worst case scenario you hit a mana rock or something)
Maybe there is some new delivery mechanism invented for content that doesnt require the card to be legal in Standard for two years
As Paradox Engine has shown us, untapping all your nonland permanents can be incredibly powerful, even if Curse of Bounty's combat trigger makes it FAR less abusable (thankfully!)
Trample is a great mechanic, and not every game has an effect like this, so it does feel kinda uniquely Magic
Its clearly a very powerful effect by virtue of being able to run away with the game, but it wont work in every deck and Invasion of Gobakhan is rightly not strong enough on its own
Shockingly, The One Ring in this specific variant has hit $220 rather consistently