Woo! That's 2.
Plains
Mardu Skullhunter with Raid
Tormented Hero
Done
Spidey: 5
Hand: 1
Library: 47
Battlefield:
(T) Caves of Koilos (T: Add C to my mana pool.; T: Add W or B to my mana pool. ~ deals 1 dmg to me)
(T) Scoured Barrens (~ ETB tapped.; When ~ ETB, I gain 1 life.; T: Add W or B to my mana pool)
(T,U,U) Plains x3
(U) Tormented Hero (2/1; ~ ETB tapped.; Heroic-Whenever I cast a spell that targets ~, Oversoul loses 1 life. I gain life equal to the life lost this way)
(T) Bloodsoaked Champion (2/1; ~ can't block.; Raid-1B: Return ~ from my graveyard to the battlefield. Activate the ability only if I attacked with a creature this turn)
(T) Mardu Skullhunter (2/1; ~ ETB tapped.; Raid-When ~ ETB, if I attacked with a creature this turn, Oversoul discards a card)
(T) Tormented Hero (2/1; ~ ETB tapped.; Heroic-Whenever I cast a spell that targets ~, Oversoul loses 1 life. I gain life equal to the life lost this way)
Graveyard: Silence the Believers, Mardu Hateblade, Bile Blight
Exile:
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Oversoul: 18
Hand: 1 - 0?
Library: 49
Battlefield:
(U,U) Mountain x2
(U) Forest
(U) Frontier Bivouac (~ etb tapped. T: add G, U, or R to my mana pool.)
(U) Frontier Bivouac (~ etb tapped. T: add G, U, or R to my mana pool.)
(U) Elvish Mystic (1/1; T: add G to my mana pool.)
(S) Fanatic of Xenagos (4/4; Trample, Tribute 1.) *1 +1/+1 counter*
Graveyard: Wild Slash, Heir of the Wilds, card from hand?
Exile: Thunderbreak Regent