Scarcity used to be a big deal
There is a clear order to the construction of this deck, and while thats occasionally hindered by card draw, you can immediately see the logic in your hand, and understand which cards should be played first, to take advantage of any possible counter placement and proliferate mechanics
It also has exalted - which means that if you have a creature attacking on its own, it gets +1/+1 until the end of the turn
Cards like Kargan Dragonlord, Koth of the Hammer (who I think is pretty awful anyway), Figure of Destiny, Ball Lightning and Fireblast are weakened to the point of not really wanting them
(2022-06-10) If a card refers to a commander creature you own, a Background won't usually be counted or included for that effect
Retreat can let us chain landfall triggers since we scry whenever a land enters