3 Power Spray Ive seen some decks run 4, but I think 3 is the best number so you can use the 4th slot for focusing on consistency
Magic the Gathering: a Commander Deck : 6 Steps - Instructables
This article uses our knowledge of traditional hobby shops, department stores, and tucked-away traders to help collectors know where to go for sealed boosters, individual singles, graded slabs, or simply affordable cards for younger collectors to enjoy
I prefer White Sun's Twilight as the Phyrexian Mites provide a unique axis of pressure, but a deck thats interested in one will likely run the other
The downside to this strategy is that, because Indomitable Creativity just cheats in whatever you flip off the top of your deck first, you cant put any creatures or artifacts into your deck besides what you want to cheat into play
When you get one good card the value of all the things that go well with that increase in value more than they do in a lot of other arcehtpyes