Phyrexia: All Will Be One is a Phyrexian-heavy set (obviously) that continues the interdimensional (and time-traveling) war between the Phyrexians and the multiverse
Unfortunately, back when I wrote this, the Pro Tour was still several days away
There are many scenarios where a creature enchanted by Pretenders Claim will either A) be blocked and have the tapping lands ability not matter, B) just be outright killed, or C) connect because the opponent wasnt going to block anyhow
Speaking of which, the lack of voice acting in this game is brutal
Rousing Refrain While it can potentially grant you a big burst of mana at the right time, Rousing Refrains initial excessive cost and the slowness with which it returns make this just not good enough for the point in the game at which you can reliably cast it
If you have a good time with the pre-made decks, then you might want to get in on the secret of Magics success and start collecting cards and creating your own decks