Gore-House Chainwalker

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Skewer the Critics

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)
Skewer the Critics deals 3 damage to any target.

Toxic Abomination

When Toxic Abomination enters, you lose 2 life.

Sangrophage

At the beginning of your upkeep, tap Sangrophage unless you pay 2 life.

Raving Oni-Slave

When Raving Oni-Slave enters or leaves the battlefield, you lose 3 life if you don't control a Demon.

Vampire Lacerator

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Spike Jester

Swamp

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Jackal Pup

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Orcish Hellraiser

Echo {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 Orcish Hellraiser dies, it deals 2 damage to target player or planeswalker.

Carnophage

At the beginning of your upkeep, tap Carnophage unless you pay 1 life.

Unexpected Fangs

Put a +1/+1 counter and a lifelink counter on target creature.

Nezumi Road Captain

Menace
Vehicles you control have menace. (They can't be blocked except by two or more creatures.)

Okiba Reckoner Raid

(As this Saga enters and after your draw step, add a lore counter.)
I, II — Each opponent loses 1 life and you gain 1 life.
III — Exile this Saga, then return it to the battlefield transformed under your control.