Tihs may kill me, or turn the game around, but untap, main, paying one life to draw a card, tapping all mana to play Sengir Vampire. Done.
SpiderMan:
Life: 18
In Hand: 2
In Play: Mt, Mt, Swamp, Swamp, Badlands, Mishra's Factory, Purging Scythe
GY: Lightning Bolt, Stone Rain, Stone Rain, Juggernaught
RFG:
WickedBoy6:
Life: 3
In Hand: 2
In Play: 2 Swamps(T, T), 2 Forests(T, T), Mox Diamond(T), Yawgmoth's Bargain, Sengir Vampire(4/4, Flying)
GY: Forest, Worldly Tutor, Hypnotic Specter, Swamp, Bayou, Creeping Mold.
RFG: