The basic strategy remains the same cast lots of rituals and cantrips until your storm count is high enough that Brain Freeze mills the opponent out in one shot, Grapeshot and Tendrils brings their life to 0, and Empty the Warrens gives you an unstoppable Goblin army
You can use mind controls as part of a steal-and-sac theme, where you take an opponents creature and feed it to a sacrifice effect
While I personally only sell via Buy It Nows (while making liberal use of the Send offer to buyers feature), sometimes you just need the cash fast and thats perfectly okay
Additionally, video evidence of unboxing will be required
Also, Mark Rosewater, their head game designer, is someone who really loves the game: Besides leading Magic s design, he also runs polls everyday on twitter, releases two podcasts every week, writes an official article every week and answers lots of questions on any free time he has