Lore-wise, there is almost an internal power struggle to determine which one is more important, but when it comes to the cards, you're going to be balancing a life gain and sacrifice strategy
BPhillipYork: Chapter 3 is mediocre since you can't control the card you will play for free, it's liable to be a land when you want Omniscience
Sisay is a three-mana White 2/2 who gets +1/+1 for each color among other Legendary permanents you control
Even as a prank, they still made Mindslaver less broken Even though this article was just a prank, Purple has become almost ubiquitous as the mythical sixth color in Magic: The Gathering
Some folks will include a 60-card deck with 12 of each basic land type, but I like to do 5 Forests, Islands, Plains, 25 Mountains, and 20 Swamps