I just quickly read your post, and I would think Circular Logic would probably fit ok in here. You can start Bazaaring without having to wait for UU in order to actually stop something.
I wanted to fit Circular Logic into this deck so very badly. Unfortunately, without efficient instant-speed discard spells, it really can't support them (Bazaar is the only way you could cast it with Madness). Logic also doesn't work well with Replenish because you still need to have your combo in the graveyard when you announce Replenish (otherwise the opponent has no need to counter it).
I know this may come off as smarmy, but if the purpose is to beat Fish and Tog, what advantages does this have over Dragon?
I find that this deck has a few advantages over Dragon.
- The first and foremost advantage is that the combo is not as hateable as Dragon. Dragon can lose to a lot of random hate because it relies on a creature rather than a enchantment.
- There is no severe drawback if your combo fails. Worst case scenenario you have to dig for another Replenish where in Dragon you have to rebuild your entire board. (And Xantid Swarn cannot stop a Seal of Cleansing).
- Two color manabase instead of three colors making you less succeptable to Wastes.
- It's a much easier deck to play than Dragon.
With so few copies of your win condition it doesn't seem that relying on Intuition early game against aggro and combo would make this deck any faster than dragon.
This deck is not as fast as Dragon nor will it ever be. It's not meant to be a super fast combo deck, but instead a redundant and slower combo. But it is fast enough to handle Aggro and thanks to the control elements, it can survive the first few turns of most lightning fast combo decks.
Granted the draw engine is much better, but there is also the fact that you only have 4x replenish vs 7-9 animate spells.
Long only had one Tendrils and three Burning Wishes but it still managed to do pretty good.

But all joking aside, the four Replenishes are very easy to find and should always be enough unless you attempt risky Replenishes.
Its really hard to tell how the sideboard would affect certain matchups, and its obviously a huge part of the strategy, so please correct me if I'm completely off here.
Typically I would say that a sideboard is metagame dependant but I'd be happy to comment on the choices I listed above.
Seal of Cleansing / Aura of Silence - These come in against the multitude of Workshop decks that seems to exist out there. Incidentally they work well against Dragon or the mirror match.
Exalted Angel - I like to bring these in against control. They also come in against any random aggro deck (Fish, Sligh, Stompy) since it's very easy to have a swinging Angel on turn three.
Future Sight - Comes in against 4c and keeper-esque decks to help me keep the threat density up. Also comes in when I bring Zur's Weirding in.
Zur's Weirding - This will get sided in against any deck that relies on specific cards (such as combo) since it works or anyone that I might not be able to kill with a Form.
Siding out - Depending on what's being sided in, I will side out combo pieces (extra Form and Replenish), or I will side out the Careful Studies.
No Brainstorms makes baby Jesus cry. I'd really suggest finding room for them.
Brainstorms don't fit well enough in this deck because they don't help you fill up your graveyard. That is why I eventually went with Careful Studies instead.
Just out of interest, you have a Windfall in the deck. I see the synergy with Squee, but did it test better than Fact or Fiction, considering you're running quite a few counters?
Ack! Thanks for that comment. I went back and double checked my deck and I actually do run a Fact or Fiction over Windfall. Windfall can actually be bad because sometimes I don't want to have to dump my hand (such as when you have control spells, or you are holding on extra Replenish/Forms).
Also, I notice you have no Cunning Wish there.
I did end up testing Cunning Wish but eventually cut it because I felt the tricks it allowed really did nothing to make the deck better. The mana curve on this deck is already pretty extreme so the 2U invested into a Wish can be very harsh for this deck.