Being able to drop a land and say, "Go," as you play the entire game at instant speed leaves you with every option and surprise at your disposal
(Assuming its power remains 5)
Obviously, youll play that side more than the other, but when you need it, you have the 6/5 boar beast ready to pounce
Hour of Promise Five manas the point where you usually want to be making big plays instead of continuing to ramp, but some decks go so big that they just want to go little ramp into big ramp into game-winning haymaker
So I was actually able to set this combo up instead, where I also had a Galerider Sliver and could basically pay one mana + 2 life to continually bounce it, replay it, and tap it to generate a bunch of damage
With a total of 168 new cards, existing Commander players will also have plenty with which to populate existing decks and some rip-roaring new commanders to build around