I hadn't thought of adding in coat of arms. That would be pretty sick. Especially because the krokivan mists are also illusions, and I followed footsteps those things as much as or more than chronozoas. Good addition. I'll work with what to take out for one or two of them.
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Only thing I can think of is to add in some Culling of the Weak. Sacrificing creatures is right up your ally, and it is more mana than Dark Ritual.
I wanted to add in more search cards as well, but this is all I know of that really fits. I'm playing Legacy, so the diabolic tutor is restricted. I'd run 4 if I could. The true weakness of this deck is counterspell cards, and I'm having a hard time finding a way around that. I'm adding 2 tendrils to the sideboard as just in case cards.