You're lacking a bit in the boardwipe department, and I don't think you can assume to be fast enough to never need one. I'd at the very last play kindred dominance, but something like pernicious deed or gaze of granite should give you something to hit a wide variety of targets.
edit: also, you'll want to play beast within as it's spot removal that can hit anything.
edit: also, you'll want to play beast within as it's spot removal that can hit anything.