Boneyard Lurker

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, return target permanent card from your graveyard to your hand.

Cairn Wanderer

Changeling (This card is every creature type.)
As long as a creature card with flying is in a graveyard, Cairn Wanderer has flying. The same is true for fear, first strike, double strike, deathtouch, haste, landwalk, lifelink, protection, reach, trample, shroud, and vigilance.

Gaze of Granite

Destroy each nonland permanent with converted mana cost X or less.

Gilder Bairn

, : Double the number of each kind of counter on target permanent. ( is the untap symbol.)

Nighthowler

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Briarhorn

Flash
When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn.
Evoke (You may cast this spell for its evoke cost. If you do, it’s sacrificed when it enters the battlefield.)

Niblis of Dusk

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Sewer Nemesis

As Sewer Nemesis enters the battlefield, choose a player.
Sewer Nemesis’s power and toughness are each equal to the number of cards in the chosen player’s graveyard.
Whenever the chosen player casts a spell, that player mills a card.

Gravepurge

Put any number of target creature cards from your graveyard on top of your library.
Draw a card.

Stinkweed Imp

Flying
Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.
Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

Brazen Wolves

Whenever Brazen Wolves attacks, it gets +2/+0 until end of turn.

Cower in Fear

Creatures your opponents control get -1/-1 until end of turn.

Blastoderm

Shroud (This creature can’t be the target of spells or abilities.)
Fading 3 (This creature enters the battlefield with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can’t, sacrifice it.)

Grave Titan

Deathtouch
Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.

Baleful Strix

Flying, deathtouch
When Baleful Strix enters the battlefield, draw a card.

Rosemane Centaur

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
Vigilance

Mortify

Destroy target creature or enchantment.

Frontier Mastodon

Ferocious — Frontier Mastodon enters the battlefield with a +1/+1 counter on it if you control a creature with power 4 or greater.