Untap, draw, Balduvian Trading Post (sacrificing a Mountain to put it into play). Done.
Spiderman: 15
Hand: 4
Library: 48
In Play:
(U) Underground River (B/U Pain land)
(U,U) Watery Grave x2 (B/U Ravnica Dual)
(U,U) Island x2
(U) Swamp
Graveyard: El-Hajjaj, Thwart
RFG:
Oversoul: 20
Hand: 5...