Swamp

Fecundity

Whenever a creature dies, that creature's controller may draw a card.

Wasteland Viper

Deathtouch
Bloodrush — {G}, Discard Wasteland Viper: Target attacking creature gets +1/+2 and gains deathtouch until end of turn.

Grimdancer

Grimdancer enters the battlefield with your choice of two different counters on it from among menace, deathtouch, and lifelink.

Gifted Aetherborn

Vampire of the Dire Moon

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Irresistible Prey

Target creature must be blocked this turn if able.
Draw a card.

Vampire Nighthawk

Prey Upon

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Malicious Affliction

Morbid — When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy.
Destroy target nonblack creature.

Questing Beast

Vigilance, deathtouch, haste
Questing Beast can't be blocked by creatures with power 2 or less.
Combat damage that would be dealt by creatures you control can't be prevented.
Whenever Questing Beast deals combat damage to an opponent, it deals that much damage to target planeswalker that player controls.

Narnam Renegade

Deathtouch
Revolt — Narnam Renegade enters the battlefield with a +1/+1 counter on it if a permanent you controlled left the battlefield this turn.

Songs of the Damned

Add {B} for each creature card in your graveyard.

Forest

Hornet Queen

Flying, deathtouch
When Hornet Queen enters the battlefield, create four 1/1 green Insect creature tokens with flying and deathtouch.

Lifecrafter's Bestiary

At the beginning of your upkeep, scry 1.
Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

Ambush Viper

Bone Picker

This spell costs {3} less to cast if a creature died this turn.
Flying, deathtouch