Hey, according to the Thumbscrews, you should be at 17, right? You say Life Loss but I don't think you're actually subtracting... :)
Untap, upkeep
Island
Volrath's Curse on the Dragonfly
Attack with the Crusader for 2
Done
Spidey: 14
Hand: 10
In Play:
(T) Forest
(U) Plains
(U) Swamp
(T,U)...