The main problem is that you don't have enough draw power and shields to keep you alive in the early game, where Rainbows are weakest and the False Gods have the greatest advantage.
Remove the Novas, the Graveyard, a Feral Bond, and an Elite Otyugh.
Add 2 Electrum Hourglasses, 2 Phase Shields, 2 Sundials, an Enchant Artifact, and a Boneyard.