Untap, Upkeep, Swamp, Coma Veil the Screecher. Done.
Spidey: 21
Hand: 5
Battlefield:
(U,U) Plains x2
(T,U,U) Island x3
(T,U) Swamp x2
(U) Jungle Shrine (~ ETB tapped. T: Add R, G or W to my mana pool)
(U) Marble Chalice (T: I gain 1 life)
(T) Kathari Screecher (2/2; Flying; Unearth 2U) Veiled in a Coma
(U) Puppet Conjurer (1/2; U, T: Put a 0/1 blue Homunculus artifact creature token OTB; At the beginning of my upkeep, sac a Homunculus)
(T) Grixis Battlemage (2/2; U, T: Draw a card, then discard a card; R, T: Target creature can't block this turn)
Graveyard: Resounding Thunder, Steward of Valeron, Agony Warp, Resounding Roar, Cancel
Exile:
Ransac: 12
Hand: 9
Battlefield:
(TU) Plains
(T) Forest
(TU) Island
(TU) Swamp
(T) Mountain
(U) Obelisk of Jund (T: B/R/G)
Coma Veil (nchant artifact or creature. Enchanted permanent doesn't untap during its controller's untap step.) Veiling Kathari Screecher
(U) Esper Battlemage (2/2, W,T: Prevent the next 2 damage that would be dealt to you this turn. B,T: Target creature gets -1/-1 until end of turn.)
Graveyard: Qasali Ambusher, Knight of the Skyward Eye, Resounding Scream, Fire-field Ogre
Exile:
Ransac, cpa trash man