You cant be neutral in the Treasure Wars
Of course, the downside is that both Rapidash and Ninetales have low health, and if your opponent weathers your initial storm, youre kind of done for
In the case of many beaters, you can go Inferno Reckless + Inverse Universe to have 3600 ATK beaters against your opponent's now puny smaller beaters
Three 1/1s that ping for one when they die are probably worth around three to four mana, so youre not paying much of a premium here
The only solution I won't be satisfied with is unfortunately the most likely outcome: we just get a bunch of generic art with no lore and no connection to any particular MTG plane
Five mana to gain control of so many creatures is an incredible deal, and while you cant use those creatures to go after their former controller, you can certainly make use of them to take out another player