Another nice thing is that, if you open with Vial, you can T4 kill them. (Vial will have 3 counters, you use Pestermite to untap one of your lands, and you'll have 5 mana)
That said, the W splash is working better for us, and some editions ago we recieved a W card that can combo with Kiki and, imo, is better in a LOT of situations>
Restauration Angel. It protects you from removal, blinks Sting/MWM/Matron/Rignleaer/Krenko for value, wins with kiki, is a 3/4 flyers non goblin.
There are lists on The Council that play him, if someone bother to look for it. I'd happly test it.