Bog Elemental

Protection from white
At the beginning of your upkeep, sacrifice this creature unless you sacrifice a land.

Bog Glider

Flying
{T}, Sacrifice a land: Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

Chilling Apparition

{B}: Regenerate this creature.
Whenever this creature deals combat damage to a player, that player discards a card.

Diving Griffin

Coffin Puppets

Sacrifice two lands: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if you control a Swamp.

Death Charmer

Whenever this creature deals combat damage to a creature, that creature's controller loses 2 life unless they pay {2}.

Despoil

Destroy target land. Its controller loses 2 life.

Endbringer's Revel

{4}: Return target creature card from a graveyard to its owner's hand. Any player may activate this ability but only as a sorcery.

Fen Stalker

This creature has fear as long as you control no untapped lands. (It can't be blocked except by artifact creatures and/or black creatures.)

Flay

Target player discards a card at random. Then that player discards another card at random unless they pay {1}.

Greel, Mind Raker

{X}{B}, {T}, Discard two cards: Target player discards X cards at random.

Greel's Caress

Flash
Enchant creature
Enchanted creature gets -3/-0.

Infernal Genesis

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Nakaya Shade

{B}: This creature gets +1/+1 until end of turn unless any player pays {2}.

Entangler

Enchant creature
Enchanted creature can block any number of creatures.

Prophecy