Night Revelers

This creature has haste as long as an opponent controls a Human.

Mountain

Burning Oil

Burning Oil deals 3 damage to target attacking or blocking creature.
Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Rally the Peasants

Creatures you control get +2/+0 until end of turn.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Skillful Lunge

Target creature gets +2/+0 and gains first strike until end of turn.

Midnight Guard

Whenever another creature enters, untap this creature.

Forge Devil

When this creature enters, it deals 1 damage to target creature and 1 damage to you.

Wrack with Madness

Target creature deals damage to itself equal to its power.

Niblis of the Urn

Flying
Whenever this creature attacks, you may tap target creature.

Assault Griffin

Bloodcrazed Neonate

This creature attacks each combat if able.
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Lightning Elemental

Haste (This creature can attack and {T} as soon as it comes under your control.)

Elite Vanguard

Silverchase Fox

{1}{W}, Sacrifice this creature: Exile target enchantment.

Plains

Fiend Hunter

When this creature enters, you may exile another target creature.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Erdwal Ripper

Haste
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Torch Fiend

{R}, Sacrifice this creature: Destroy target artifact.

Niblis of the Mist

Flying
When this creature enters, you may tap target creature.

Requiem Angel

Flying
Whenever another non-Spirit creature you control dies, create a 1/1 white Spirit creature token with flying.

Nightbird's Clutches

Up to two target creatures can't block this turn.
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Ashmouth Hound

Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature.

Markov Warlord

Haste (This creature can attack and {T} as soon as it comes under your control.)
When this creature enters, up to two target creatures can't block this turn.

Stromkirk Noble

This creature can't be blocked by Humans.
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Traveler's Amulet

{1}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.