___-Main-board______
4x Ash Zealot: 2/2 haste, first strike for two, that also hurts graveyard decks.
3x Desecration Demon: 6/6 flyer for four mana, sounds evil.
2x Hammer of Purphoros: haste is helpful.
3x Hero's Downfall: the deck needs to have some removal to deal with planeswalkers and particularly nasty creatures.
3x Legion Loyalist: good turn one drop, first strike and trample help to get past blockers.
3x Ogre Battledriver: grant your creature haste and pump them up a bit.
4x Rakdos Cackler: low cost 2/2, helps to put some early pressure on the opponent.
2x Rakdos Keyrune: can provide mana, or turn into a 3/1 first striker.
3x Rakdos's Return: powerful hand hate card, a good mana sink late-game or a way to cut the opponent's hand down to size.
2x Rakdos, Lord of Riots: with the amount of small creatures in the deck it should be fairly easy to get at least one damage in, then, drop a 6/6 flying and trample demon, if that doesn't beg for a Hero's Downfall I don't know what does.
4x Spike Jester: 3/1 haste for two mana, great turn 2.
2x Stormbreath Dragon: surprise evasion.
3x Thoughtseize: thought you were going to get that Jace out, didn't you?
2x Whip of Erebos: lifelink to help keep you alive against another aggro deck. Unearth a demon and start wailing.
___Side-board___
3x Lifebane Zombie: some extra hand hate against Green/White.
3x Showstopper: there currently isn't a counter to Supreme Verdict for Red/Black. There is, however, allowing them to nuke your field, while you nuke their face.
3x Skullcrack: making some other decks I realized life-gain has become more common and is still powerful.
3x Mindsparker: helps to whittle down an opponent who makes use of instants and sorceries.
2x Mizzium Mortars: low cost creature control.
___Maybe____
Cryptborn Horror: one concern is that if the opponent has blockers this creature won't be very powerful.
Exava, Rakdos Blood Witch: uncertain, the deck doesn't have enough unleash creatures to make use of her ability.
Liliana's Reaver: extra hand hate, extra creatures.
Sire of Insanity: by the time this gets out you should have enough damage on the board to kill or nearly kill your opponent, this will get rid of any fogs or celestial flares.
Underworld Cerberus: relatively high cost, six mana, but it has great evasion and works to stop grave based decks. Plus you almost undoubtedly have more creatures in your graveyard than the opponent.
