In combination with other types of Energy disruption, Team Star Grunt can help put your opponent behind on Energy attachments to the point where they have a difficult time preparing to take knockouts, all while preventing the card they draw at the start of their turn from being anything more than a simple Energy attachment
There are also special kinds like EX, V, VMAX, VSTAR, and Ancient/Future cards in newer sets, so if you've been out the mix for a while, you're bound to see some new types
Phyrexia: All Will Be One is already proving to be one of my favorite MTG sets and will likely be one of the best of the year
I got a bye in my second game, as there was an odd number of Masters and Seniors
For starters, it helps you understand a cards true market value