That's 3.
Island
Done
SpiderMan: 20
Hand: 5
In Play
(U,U,U) Plains x3
(U,U,U,U) Island x4
(U,U,U) Mt x3
Cho-Manno's Blessing (Flash, As ~ CIP, choose a color. Enchanted creature has protection of the chosen color [white]. This effect doesn't remove ~)
(U) Steadfast Guard (2/2, Vigilance)...