Damn... look at you, Mr Answer Man.
Untap, upkeep
Scroll of Avacyn
Equip the Spear to the Seraph
Done - I'm out of cards, so it's all up to you, win or draw...
Spidey: 17
Hand: 0
Battlefield:
(T,T,U) Plains x3
(T) Swamp *Growthed*
(T,U) Island x2
(U,U) Forest x2
Builder's Blessing...