When Avatar of Discord enters the battlefield, sacrifice it unless you discard two cards.
5 /
3
{4}{B}
Bond of Revival
Sorcery
Return target creature card from your graveyard to the battlefield. It gains haste until your next turn.
{3}{R}
Cackling Flames
Instant
Cackling Flames deals 3 damage to any target.
Hellbent -- Cackling Flames deals 5 damage instead if you have no cards in hand.
{4}{B}{R}
Carnival Hellsteed
Creature - Nightmare Horse
First strike, haste
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
5 /
4
{B}{R}
Dreadbore
Sorcery
Destroy target creature or planeswalker.
{2}{B}{R}
Exava, Rakdos Blood Witch
Legendary Creature - Human Cleric
First strike, haste
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Each other creature you control with a +1/+1 counter on it has haste.
3 /
3
{1}{B}{R}
Lyzolda, the Blood Witch
Legendary Creature - Human Cleric
{2}, Sacrifice a creature: Lyzolda, the Blood Witch deals 2 damage to any target if the sacrificed creature was red. Draw a card if the sacrificed creature was black.
3 /
1
{4}
Maskwood Nexus
Artifact
Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)
{3}{B}{R}
Master of Cruelties
Creature - Demon
First strike, deathtouch
Master of Cruelties can only attack alone.
Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.
1 /
4
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Rakdos Carnarium
Land
Rakdos Carnarium enters the battlefield tapped.
When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{R}.
{B}{R}
Rakdos Charm
Instant
Choose one --
• Exile target player's graveyard.
• Destroy target artifact.
• Each creature deals 1 damage to its controller.
{3}
Rakdos Keyrune
Artifact
{T}: Add {B} or {R}.
{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.
{B/R}{B/R}
Rakdos Shred-Freak
Creature - Human Berserker
Haste
2 /
1
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{2}{B}{B}{R}{R}
Rakdos the Defiler
Legendary Creature - Demon
Flying, trample
Whenever Rakdos the Defiler attacks, sacrifice half the non-Demon permanents you control, rounded up.
Whenever Rakdos deals combat damage to a player, that player sacrifices half the non-Demon permanents they control, rounded up.
7 /
6
{X}{B}{R}
Rakdos's Return
Sorcery
Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.
{B}{B}{R}{R}
Rakdos, Lord of Riots
Legendary Creature - Demon
You can't cast this spell unless an opponent lost life this turn.
Flying, trample
Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn.
6 /
6
{4}{B}{R}
Rakdos, the Showstopper
Legendary Creature - Demon
Flying, trample
When Rakdos, the Showstopper enters the battlefield, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.
6 /
6
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{6}{R}{R}
Utvara Hellkite
Creature - Dragon
Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.