I do quite like it, but I definitely agree that I think he's going to require a good bit of draw/hand manipulation to make sure you can actually curve out with him properly and not have a high chance to just end up with a hand that you can't work with
What do you know, the first time I put Gray Merchant of Asphodel into play this turn, it DID make me gain at least 5 life
They both want big, buff creatures, and reward you nicely for doing so
The longer a game goes on, the more Phyrexian Arena puts you in the lead over your opponents, as youll have access to more options and more resources
Four of the included cards are reprints from The First Chapter, which fully released at the beginning of Septemeber: Genie, Powers Unleashed