nice idea overall, but I have a few suggestion.
As expensive as Chimera is, I'd drop the other 2 gravity cards for something else. If you plan on using chimera, epinephrine is also a bad idea as it will get lost; I would look at adding maybe forest spectres or cockatrices instead. A graboid would be a faster card than a shrieker. Also a firefly queen would fit well with your these. Morning Glory and Miracle is quite a bit of light quanta usage.