Crimson Mage

Goblin Tunneler

Creature — Goblin Rogue (1/1)

: Target creature with power 2 or less can't be blocked this turn.

Onyx Mage

Creature — Human Wizard (2/1)

: Target creature you control gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Stormblood Berserker

Creature — Human Berserker (1/1)

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters the battlefield with two +1/+1 counters on it.)
Menace (This creature can't be blocked except by two or more creatures.)

Wall of Torches

Creature — Wall (4/1)

Defender (This creature can't attack.)

Goblin Piker

Creature — Goblin Warrior (2/1)

Inferno Titan

Creature — Giant (6/6)

: Inferno Titan gets +1/+0 until end of turn.
Whenever Inferno Titan enters the battlefield or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Skinshifter

Creature — Human Shaman (1/1)

: Choose one. Activate only once each turn.
• Until end of turn, Skinshifter becomes a Rhino with base power and toughness 4/4 and gains trample.
• Until end of turn, Skinshifter becomes a Bird with base power and toughness 2/2 and gains flying.
• Until end of turn, Skinshifter becomes a Plant with base power and toughness 0/8.

Alluring Siren

Creature — Siren (1/1)

: Target creature an opponent controls attacks you this turn if able.

Chandra's Phoenix

Creature — Phoenix (2/2)

Flying
Haste (This creature can attack and as soon as it comes under your control.)
Whenever an opponent is dealt damage by a red instant or sorcery spell you control or by a red planeswalker you control, return Chandra's Phoenix from your graveyard to your hand.

Fiery Hellhound

Creature — Elemental Dog (2/2)

: Fiery Hellhound gets +1/+0 until end of turn.

Lord of the Unreal

Creature — Human Wizard (2/2)

Illusion creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Chasm Drake

Creature — Drake (3/3)

Flying
Whenever Chasm Drake attacks, target creature you control gains flying until end of turn.

Goblin Chieftain

Creature — Goblin (2/2)

Haste (This creature can attack and as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.

Lightning Elemental

Creature — Elemental (4/1)

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

Phantasmal Image

Creature — Illusion (0/0)

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Blood Ogre

Creature — Ogre Warrior (2/2)

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
First strike (This creature deals combat damage before creatures without first strike.)

Blood Seeker

Creature — Vampire Shaman (1/1)

Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.

Duskhunter Bat

Creature — Bat (1/1)

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
Flying

Flameblast Dragon

Creature — Dragon (5/5)

Flying
Whenever Flameblast Dragon attacks, you may pay . If you do, Flameblast Dragon deals X damage to any target.

Furyborn Hellkite

Creature — Dragon (6/6)

Bloodthirst 6 (If an opponent was dealt damage this turn, this creature enters the battlefield with six +1/+1 counters on it.)
Flying