Vampire Lacerator

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Unexpected Fangs

Put a +1/+1 counter and a lifelink counter on target creature.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Carnophage

At the beginning of your upkeep, tap Carnophage unless you pay 1 life.

Apostle's Blessing

({W/P} can be paid with either {W} or 2 life.)
Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

Sangrophage

At the beginning of your upkeep, tap Sangrophage unless you pay 2 life.

Swamp

Predator's Gambit

Enchant creature
Enchanted creature gets +2/+1.
Enchanted creature has intimidate as long as its controller controls no other creatures. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Snuff Out

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Dark Ritual

Dauthi Horror

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Horror can't be blocked by white creatures.

Lotus Petal

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Dauthi Slayer

Shadow (This creature can block or be blocked by only creatures with shadow.)
Dauthi Slayer attacks each combat if able.

Deviant Glee

Enchant creature
Enchanted creature gets +2/+1 and has "{R}: This creature gains trample until end of turn."