Untap, Upkeep, Draw, Plains, Serra's Blessing, attack with my Vampire. Done.
Ransac: 20
Hand: 2
Library: 50
In Play:
(TT) Plains
(U) Swamp
(U) Tainted Field (T: add 1 mana to your mana pool. T: Add W or B to your mana pool if you control a Swamp)
Serra's Blessing (Creatures you control have vigilance.)
(U) Mother of Runes (1/1, T: Target creature you control gains protection from the color of your choice until end of turn.)
(U) Sengir Vampire (4/4, flying, Whenever a creature dealt damage by Sengir Vampire this turn is put into a graveyard, put a +1/+1 counter on Sengir Vampire.)
Graveyard:
RFG:
Mooseman: 16
Hand: 5
Library: 47
In Play:
(U) Plains
(T) Mountain
(T) Plateau (T:W or R)
(U) Goblin Legionnaire (2/2, {R}, Sacrifice Goblin Legionnaire: Goblin Legionnaire deals 2 damage to target creature or player. {W}, Sacrifice Goblin Legionnaire: Prevent the next 2 damage that would be dealt to target creature or player this turn.)
Graveyard: Tithe, Boros Recruit, Goblin Grenade
RFG:
Ransac, cpa trash man