Booster Draft rules allow you to add as much basic land as you want to your deck, and require that the deck you end up with be at least 40 cards
Mu Yanling, Pathfinder (Showcase Fracture Foil) Another one with gorgeous art, I wouldn't be surprised to see this slotted into a blue artifact-focused Commander deck like Urza, High Lord Artificer
Then, at the end of it all, they get a Kiki-Jiki
If that isnt enough, we have Druids Repository to store up mana that we can use with Aggravated Assault later on or just at the same time
I dont know if a blink deck needs every effect like this, but I wouldnt be surprised to see one or two of these make a Commander flicker deck
Its very hard to lose the game if youre holding up Reins of Power, and sometimes it flat-out wins the game for you