If you ever hear her speak at a convention, shell tell the story of everything that went into this, from being inspired by Broms Desolation Angel to accidentally being weeks late on the deadline
Additionally, Teferi's +1 ability allows players to selectively draw from the top two cards of their library, making sure that all goes according to plan and its controllers have access to the resources they need.
A ton of the Red cards in this set are based on or around equipment, and I think Gilgamesh is one of the best cards that can still be used in a deck that isn't entirely focused on equipment
Third, and not least, if you have a commander with a cool enters-the-battlefield trigger, like Lavinia of the Tenth, The Mimeoplasm, or Queen Marchesa, you get to repeat it
Ruby/Sapphire Starter Deck List Improvements + Cards To Drop Most cards with Support or healing abilities on their own should go
Destoroyah loves to come back when you think you've beaten it, so watch out