Take 2. Swamp, Bloodghast. Done.
Ransac: 19
Hand: 13
Battlefield:
(TT) Swamp
(T) Vampire Lacerator (2/2, At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.)
(S) Bloodghast (2/1, Bloodghast can't block. Bloodghast has haste as long as an opponent has 10 or...