The ShiftstonedEternal Power Calculator is a deck-building tool that visualizes your odds of drawing enough Influence and Power based specifically on the cards found in your deck.
This pile of junk didn't look like it would go 7 wins, especially after dropping Game 2 due to getting stuck on 2 Green for 6 turns (with a full unplayable hand). This is my third 7-win draft in a row, so I guess my luck has been riding as high here as it has been tanking on ladder, where I get screwed or flooded routinely. Only one of my opponents got stuck in this run, which is less than usual. The power-based "variance" (hah) in this game really needs to be addressed, it's just pathetic at this point.