Untap, Upkeep, Draw
Watchwing Scarecrow, done
Spidey: 20
Hand: 2
Library: 27
Battlefield:
(T,U) Plains x2
(T,T,U) Swamp x3
(U) Akrasan Squire (1/1; Exalted)
(T) Dauthi Slayer (2/2; Shadow; ~ attacks each turn if able) Formed
(U) Skyhunter Prowler (1/3; Flying; Vigilance)
(T) Skittering Horror (4/3; When I cast a creature spell, sac ~)
Graveyard: Roterothopter, Befoul, Disembowel
Exile:
Melkor: 4
Hand: 2
Library: 24
Battlefield:
(T) (T) (T) (T) Island x4
(U) (U) Plains x2
Gaseous Form (Enchanted creature neither gives nor receives combat damage)
(U) Capashen Templar (2/2, W: +0/+1 until end of turn)
(U) Thornwind Faeries (1/1, Flying, T: ~ deals 1 damage to target creature or player)
(S) Watchwing Scarecrow (2/4, if you control a white creature ~ gains Vigilance, if you control a blue creature ~ gains Flying)
Graveyard: Fencer Clique, Belltower Sphinx, Revered Dead
Exile: