Nether Shadow

Lord of the Pit

Creature — Demon (7/7)

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Rock Hydra

Creature — Hydra (0/0)

Rock Hydra enters the battlefield with X +1/+1 counters on it.
For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.
: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.

Mesa Pegasus

Creature — Pegasus (1/1)

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Ironclaw Orcs

Creature — Orc (2/2)

Ironclaw Orcs can't block creatures with power 2 or greater.

Nettling Imp

Creature — Imp (1/1)

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared.

Nightmare

Creature — Nightmare Horse (0/0)

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Plague Rats

Creature — Rat (0/0)

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

Scavenging Ghoul

Creature — Zombie (2/2)

At the beginning of each end step, put a corpse counter on Scavenging Ghoul for each creature that died this turn.
Remove a corpse counter from Scavenging Ghoul: Regenerate Scavenging Ghoul.

Sengir Vampire

Creature — Vampire (4/4)

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Will-o'-the-Wisp

Creature — Spirit (0/1)

Flying (This creature can't be blocked except by creatures with flying or reach.)
: Regenerate Will-o'-the-Wisp. (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.)

Hypnotic Specter

Creature — Specter (2/2)

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Royal Assassin

Creature — Human Assassin (1/1)

: Destroy target tapped creature.

Wall of Bone

Creature — Skeleton Wall (1/4)

Defender (This creature can't attack.)
: Regenerate Wall of Bone. (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.)

Elvish Archers

Creature — Elf Archer (2/1)

First strike

Frozen Shade

Creature — Shade (0/1)

: Frozen Shade gets +1/+1 until end of turn.

Grizzly Bears

Creature — Bear (2/2)

Lord of Atlantis

Creature — Merfolk (2/2)

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Scathe Zombies

Creature — Zombie (2/2)

Fear

Enchantment — Aura

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Warp Artifact

Enchantment — Aura

Enchant artifact
At the beginning of the upkeep of enchanted artifact's controller, Warp Artifact deals 1 damage to that player.