I think you're too pessimistic...
Untap, upkeep
Island
Done
Spidey: 20
Hand: 10
Battlefield:
(U,U,U) Island x3
(U) Swamp
(U) Forest
(U) Plains
(U,U) Mt x2
Valor in Akros (Whenever a creature ETB under my control, creatures I control get +1/+1 ueot)
(U) Cursecatcher (1/1; Sac ~...