Well... I would love to try a version of this as well... but I must point out that 0/6 hp Graviton Masters are, as you stated above, slower and much easier to kill than 4/1 Minor Phoenixes .
I rest my case
Thunderstorm/Plague + Bone Wall. Also, I'm not a rush deck user.
I rest my case.
@Nadrin: Cremation + Fractal works like a charm. You get the 1
back from Cremate, too.