Uh oh.
Untap, upkeep, Draw
Forest
Dawntreader Elk
Done
Spidey: 18
Hand: 3
Library: 50
Battlefield:
(T,U) Swamp x2
(T,U) Forest x2
(S) Dawntreader Elk (2/2; G, Sac ~: Search my library for a basic land card, put it onto the battlefield tapped, then shuffle my library)
Graveyard...