SharpRaptor

If you running blue then you can add the souldbond creature that gives bonded creature pay 2 to untap, that allows for infinite mana with the axebane guardian

Kiku, Night's Flower?
Rathi Trapper?
Murder instead of Assassinate or even go for the throat?

Check out my "Breathe Your Last" Deck for ideas
http://www.mtgvault.com/sharpraptor/decks/breathe-your-last-2/

Put in evolving wilds and/or teramorphic expanse for dual landfall per turn, also put in bounce lands like the simic growth chamber to be sure you are always gonna be getting a land drop
Take out a couple of mana dorks that don't have landfall and put in rampant growths so that you are getting the landfall trigger for your mana ramp
I do like your infinite combo with the crucible of worlds, fastbond and zuran orb but perhaps you could do with more copies of each to make sure you get the combo going?

greater auromancy? gives all other enchantments hexproof?
Sphere of safety, creatures can't attack you unless their controller pays X for each creatures where X is the number of enchantments you control?

No Problem, nice deck idea btw

Collective blessing? all creatures you control get +3/+3
Growing Ranks? every turn populate?

Sigil of the empty throne? whenever you cast an enchantment put an angel onto the battlefield

blightsteel colossus? any eldrazi card would do it but the colossus has infect initself anyway

Just thinking that zedruu didnt really seem to help your deck atall except by offering the colours

you still have 2 copies of gideon, btw you had a look at Numot, the Devastator?

Cromat would be a good commander for you? or the other 2 i mentioned, sorry if i ruined your deck idea

Your commander needs to be a legendary creature, sorry if that ruins your deck idea, oh and btw you have two gideon's so you could but the maesltrom archeangel in without taking a card out
Ones that may work are progenitus?
Cromat?
Child of Alara?

Plague Wind?
Skirsdag High Priest?

Lightning Coils? whenev a nontoken you control dies put a charge counter on, if you have 5 or more you can take them all off to put that many 3/1 elemental tokens onto the battlefield for a turn

I like this plan of doing things with the undying counters, maybe think of evolve green creatures? you will get counters to ion storm and they will re evolve when your undying creatures come back into play

I suppose actually if you were playing a curse deck you could run paradox haze to put on your opponant?

More Maze's End
And i like the idea of having the guild champions but you are really going to be punished be ruric thar while casting all your keystones and cluestones
And you would be better off selecting a couple of the leaders and putting in some support for them so you have some sort of mana curve

That's just what i reckon, have a look at my deck if you get the chance please
http://www.mtgvault.com/sharpraptor/decks/councils-verdict/

Yes i suppose of you were playing a curse deck i would suffer badly from that until i could start bouncing them to your hand

I would suggest the vexing devil expecially if you are running the varolz because you can scavange 4 counters for 1 mana so vexing devil is a must
Maybe a couple of rubblebelt maaka instead of the goblin? bloodrush for the same amount but gives +3/+3 instead of +2/+1

Comment what you think and have a look at my deck's as well
http://www.mtgvault.com/sharpraptor/

shouldn't be to hard to pick up they only commons and they from rtr so people may still be opening them