Night Revelers

Night Revelers has haste as long as an opponent controls a Human.

Lightning Elemental

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

Assault Griffin

Stromkirk Noble

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

Erdwal Ripper

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

Wrack with Madness

Target creature deals damage to itself equal to its power.

Skillful Lunge

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

Requiem Angel

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

Torch Fiend

{R}, Sacrifice Torch Fiend: Destroy target artifact.

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.)

Fiend Hunter

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

Niblis of the Urn

Flying
Whenever Niblis of the Urn attacks, you may tap target creature.

Plains

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.)

Markov Warlord

Haste
When Markov Warlord enters, up to two target creatures can't block this turn.

Bloodcrazed Neonate

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

Mountain

Midnight Guard

Whenever another creature enters, untap Midnight Guard.

Serra Angel

Niblis of the Mist

Flying
When Niblis of the Mist enters, you may tap target creature.

Silverchase Fox

{1}{W}, Sacrifice Silverchase Fox: Exile target enchantment.

Forge Devil

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

Ashmouth Hound

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

Traveler's Amulet

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Elite Vanguard

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.)