Nefarox, Overlord of Grixis

Veilborn Ghoul

Creature — Zombie (4/1)

Veilborn Ghoul can't block.
Whenever a Swamp enters the battlefield under your control, you may return Veilborn Ghoul from your graveyard to your hand.

Xathrid Gorgon

Creature — Gorgon (3/6)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
, : Put a petrification counter on target creature. It gains defender and becomes a colorless artifact in addition to its other types. Its activated abilities can't be activated. (A creature with defender can't attack.)

Zombie Goliath

Creature — Zombie Giant (4/3)

Duskmantle Prowler

Creature — Vampire Rogue (2/2)

Haste (This creature can attack and as soon as it comes under your control.)
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Duty-Bound Dead

Creature — Skeleton (0/2)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
: Regenerate Duty-Bound Dead. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Knight of Infamy

Creature — Human Knight (2/1)

Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Servant of Nefarox

Creature — Human Cleric (3/1)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Harbor Serpent

Creature — Serpent (5/5)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Harbor Serpent can't attack unless there are five or more Islands on the battlefield.

Duskdale Wurm

Creature — Wurm (7/7)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Garruk's Packleader

Creature — Beast (4/4)

Whenever another creature with power 3 or greater enters the battlefield under your control, you may draw a card.

Hamletback Goliath

Creature — Giant Warrior (6/6)

Whenever another creature enters the battlefield, you may put X +1/+1 counters on Hamletback Goliath, where X is that creature's power.

Shimian Specter

Creature — Specter (2/2)

Flying
Whenever Shimian Specter deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.

Stuffy Doll

Artifact Creature — Construct (0/1)

Indestructible
As Stuffy Doll enters the battlefield, choose a player.
Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.
: Stuffy Doll deals 1 damage to itself.

Acidic Slime

Creature — Ooze (2/2)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Battleflight Eagle

Creature — Bird (2/2)

Flying
When Battleflight Eagle enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.

Bloodhunter Bat

Creature — Bat (2/2)

Flying
When Bloodhunter Bat enters the battlefield, target player loses 2 life and you gain 2 life.

Bloodthrone Vampire

Creature — Vampire (1/1)

Sacrifice a creature: Bloodthrone Vampire gets +2/+2 until end of turn.

Captain of the Watch

Creature — Human Soldier (3/3)

Vigilance (Attacking doesn't cause this creature to tap.)
Other Soldier creatures you control get +1/+1 and have vigilance.
When Captain of the Watch enters the battlefield, create three 1/1 white Soldier creature tokens.

Disciple of Bolas

Creature — Human Wizard (2/1)

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Giant Scorpion

Creature — Scorpion (1/3)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)