Untap, draw, Plains, done.
Spiderman: 14
Hand: 1
Library: 45
In Play:
(T,T) Underground River (B/U Pain land)
(T,U) Watery Grave x2 (B/U Ravnica Dual)
(T,T) Island x2
(T,T) Swamp x2
(U) Scrivener (2/2)
(S) Szadek-Lord of Secrets (5/5, flying, if ~ would deal combat dmg to you, instead put...