i've actually considered doing this but the main problem lies in getting coudposts
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now that you explain it fully i understand. this seems like a very slow tactic to get started however. this is actually pretty awesome.
but were is your infinite mana coming from? If that is your goal since you have some red cards consider putting in a galvanoth.
Unfortunately i don't see your win condition here. you don't have a ton of attacking cards in here. also i would replace that blue sun's zenith with mind spring. costs less but you can't shuffle it back in.
I'm guessing that your strategy is creature swarm. just a tip: add in a few signal pest. very low cost for a pretty good effect.
I would most definately consider putting in a few signal pest. they can be quite helpful.