I had a bit of fun trying out Chimera, and this is what I came up with.
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Your usual dragon spam deck with, what's this? ACK, CHIMERA! Play the dragons as usual (all at once), let them attack, let the enemy CC them as they wish, then Chimera next turn to finish them off. Two turn kills are hilarious. XD
Would also work pretty well with speed rainbow style deck. Low cost/high damage creatures, then Chimera for the finisher. I tried both, and though speed rainbow won more, Dragon-Chimera was a lot more fun.