Putting my Stonewright in my graveyard 
Untap, upkeep, Draw
Mizzium Mortar the Nighthawk
Attack with all
Responses/blocks/take it?
Spidey: 19
Hand: 1
Library: 47
Battlefield:
(T,T,U) Mt x3
(U) Swamp
(U) Rakdos Guildgate (~ ETB tapped.; T: Add B or R to my mana pool)
(T,A) Rakdos Cackler (2/2 from ctr; Unleash (I may have this creature ETB with a +1/+1 ctr on it. It can't block as long as it has a +1/+1 ctr on it)) *1 +1/+1 ctr* *Paired w/Stonewright*
(T,A) Rix Maadi Guildmage (2/2; BR: Target blocking creature gets -1/-1 ueot. BR: Target player who lost life this turn loses 1 life)
(T,A) Rix Maadi Guildmage (2/2; BR: Target blocking creature gets -1/-1 ueot. BR: Target player who lost life this turn loses 1 life)
Graveyard: Pillar of Flame, Searing Spear, Stonewright, Mizzium Mortars
Exile:
=======================================================================================
Oversoul: 8
Hand: 2
Library: 48
Battlefield:
(T) Swamp
(T) Forest
(T) Golgari Guildgate (~ etb tapped. T: Add B or G to my mana pool.)
(U) Evolving Wilds (T, sac ~: I search my library for a basic land and put it onto the battlefield tapped, then shuffle my library.)
(U) Korozda Guildmage (2/2; 1BG: Target creature gets +1/+1 and gains intimidate ueot. 2BG, sac a nontoken creature: Put X 1/1 green Saproling tokens onto the battlefield, where X is the sacrificed creature's toughness.)
Graveyard: Dawntreader Elk, Ultimate Price, Vampire Nighthawk
Exile: Drudge Beetle, Slitherhead
Untap, upkeep, Draw
Mizzium Mortar the Nighthawk
Attack with all
Responses/blocks/take it?
Spidey: 19
Hand: 1
Library: 47
Battlefield:
(T,T,U) Mt x3
(U) Swamp
(U) Rakdos Guildgate (~ ETB tapped.; T: Add B or R to my mana pool)
(T,A) Rakdos Cackler (2/2 from ctr; Unleash (I may have this creature ETB with a +1/+1 ctr on it. It can't block as long as it has a +1/+1 ctr on it)) *1 +1/+1 ctr* *Paired w/Stonewright*
(T,A) Rix Maadi Guildmage (2/2; BR: Target blocking creature gets -1/-1 ueot. BR: Target player who lost life this turn loses 1 life)
(T,A) Rix Maadi Guildmage (2/2; BR: Target blocking creature gets -1/-1 ueot. BR: Target player who lost life this turn loses 1 life)
Graveyard: Pillar of Flame, Searing Spear, Stonewright, Mizzium Mortars
Exile:
=======================================================================================
Oversoul: 8
Hand: 2
Library: 48
Battlefield:
(T) Swamp
(T) Forest
(T) Golgari Guildgate (~ etb tapped. T: Add B or G to my mana pool.)
(U) Evolving Wilds (T, sac ~: I search my library for a basic land and put it onto the battlefield tapped, then shuffle my library.)
(U) Korozda Guildmage (2/2; 1BG: Target creature gets +1/+1 and gains intimidate ueot. 2BG, sac a nontoken creature: Put X 1/1 green Saproling tokens onto the battlefield, where X is the sacrificed creature's toughness.)
Graveyard: Dawntreader Elk, Ultimate Price, Vampire Nighthawk
Exile: Drudge Beetle, Slitherhead