Less obvious but sweet tech that I'm throwing in are some free to cast spells like Angelic Favor, mana-neutral spells like Unwind, and some cutesy ways to guarantee draw like Undermine
With so many counter-based strategies in Commander, it wouldnt take much to upgrade this deck to a higher power level.
Now that you know the basics of each color, lets look at each deck
While a fine creature, it converts into Ratchet, Rescue Racer, a 1/4 with lifelink that transforms back to Ratchet, Field Medic when an artifact is put into your graveyard from the battlefield
I wouldn't play this as your only monarch card since you really need to maintain the monarchy for its full potential, but it's just another layer of value in a dedicated deck
When considering upgrades for this deck, Grand Arbiter Augustine IV is worth a look-in owing to how it reduces the cost of your blue and white spells, and (rather cruelly) taxes your opponents for every spell they cast