Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Bad Moon

Changeling Outcast

Changeling (This card is every creature type.)
Changeling Outcast can't block and can't be blocked.

Ragged Veins

Flash
Enchant creature
Whenever enchanted creature is dealt damage, its controller loses that much life.

Gifted Aetherborn

Guul Draz Vampire

As long as an opponent has 10 or less life, Guul Draz Vampire gets +2/+1 and has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Vampire Nighthawk

Stir the Grave

Return target creature card with mana value X or less from your graveyard to the battlefield.

Mire's Toll

Target player reveals a number of cards from their hand equal to the number of Swamps you control. You choose one of them. That player discards that card.

Gloom Pangolin

Distress

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

Befoul

Destroy target land or nonblack creature. It can't be regenerated.

Nezumi Cutthroat

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Nezumi Cutthroat can't block.