Furyborn Hellkite

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

Cinder Elemental

{X}{R}, {T}, Sacrifice this creature: It deals X damage to any target.

Ghitu Slinger

Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, it deals 2 damage to any target.

Mountain

Pain Kami

{X}{R}, Sacrifice this creature: It deals X damage to target creature.

Manic Vandal

When this creature enters, destroy target artifact.

Furnace Celebration

Whenever you sacrifice another permanent, you may pay {2}. If you do, this enchantment deals 2 damage to any target.

Rockslide Elemental

First strike
Whenever another creature dies, you may put a +1/+1 counter on this creature.

Goblin Arsonist

When this creature dies, you may have it deal 1 damage to any target.

Rage Thrower

Whenever another creature dies, this creature deals 2 damage to target player or planeswalker.

Hissing Iguanar

Whenever another creature dies, you may have this creature deal 1 damage to target player or planeswalker.

Skirsdag Cultist

{R}, {T}, Sacrifice a creature: This creature deals 2 damage to any target.

Ember Hauler

{1}, Sacrifice this creature: It deals 2 damage to any target.

Hearth Kami

{X}, Sacrifice this creature: Destroy target artifact with mana value X.