Mask, I have to question whether you bother to read other people's posts. Many people have posted links to the relevant rules (the Helm-Capsize example seemed pretty relevant to me) and you still argue the point. Fireball's casting cost is


{Y}, so I'm not sure where you get infinite targets from. Helm reduces this total. Doesn't anyone here remember playing blue bounce decks with [card]Sapphire Medallion[/card]?
But, a good point's been made about getting this thread back on topic.
The last decklist posted looked like a good place to start. One thing that popped into mind was dropping a Glimmervoid for a Chrome Mox; I don't think you'll miss the land too much.