Child of Night

Sign in Blood

Target player draws two cards and loses 2 life.

Murder

Vampire's Bite

Kicker {2}{B} (You may pay an additional {2}{B} as you cast this spell.)
Target creature gets +3/+0 until end of turn. If this spell was kicked, that creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Walking Corpse

Forest

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Swamp

Doom Blade

Ravenous Chupacabra

When Ravenous Chupacabra enters, destroy target creature an opponent controls.

Bloodhunter Bat

Flying
When Bloodhunter Bat enters, target player loses 2 life and you gain 2 life.