To speed things up, two most useful tools for ramp in this deck are Gauntlet of Power, which will double all your basic land's mana production while also buffing your blue creatures, and Nyx Lotus, which gives you mana equal to your devotion to a chosen color
You'll lose the ability to quest immediately with him, but the trade-off is being able to play an eight-Willpower Bodyguard (that heals itself) on turn four instead of turn five
Meanwhile, on the colourless side, we have Zhulodok, clearly of Ulamog's brood, but a separate entity
Anytime Evereth dies, you can pay two mana to deal damage equal to her power to each opponent
Of course, Psychic Frog can use its effects to both discard Abhorrent Oculus for Unearth, or discard fodder to use for casting the eyeball