A ruler wears a crown while the rest of us wear hats, but which would you rather have when its raining? Barrin, Principia Illustrated by Andrew Robinson Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Its a card with only one printing, and it has some pretty archaic rules text
The power cap is set at 5, and it's non-negotiable
Everypony Else Each member of the Mane Six brings something different to the table, and while it isn't feasible to use all six to maximum effect, you can certainly get some value out of each
There are also a number of other tools for milling yourself, including creatures like recent Standard star Temur Analyst or frequent combo key I think what I love most about this option is that, like the Standard energy decks that came before it, it provides a place for unassuming creatures like I lied, what I actually love most is that, if you do this, you're basically singlehandedly reenacting the beginning of Frankenstein