What should be removed from this list:

Instants: Brave the Elements, Crackling Doom, Dispatch, Faith's Shield, Ghostway, Naturalize, Ready / Willing, Ride Down, Selesnya Charm, Simic Charm, Sultai Charm

Creatures: Aegis of the Gods, Anathemancer, Cosi's Trickster, Dosan the Falling Leaf, Eidolon of the Great Revel, Erebos, God of the Dead, Hex Parasite, Leonin Abunas, Melira, Sylvok Outcast, Michiko Konda, Truth Seeker, Relentless Rats, Silent Arbiter

Sorceries: Flashfires

Artifacts: AEther Vial, Damping Matrix, Jester's Cap, Mindlock Orb, Norn's Annex, Ratchet Bomb, Thorn of Amethyst, Witchbane Orb

Enchantments: Curse of Exhaustion

There are plenty of cards that I feel should be added, but I can't think of all of them right now. Some off the top of my head are Batterskull, Inferno Titan, Engineered Explosives, Negate, Sigarda, Host of Herons, Murderous Cut, Vendilion Clique, Timely Reinforcements, Vedalken Shackles, Combust, Crucible of Worlds, Teferi, Mage of Zhalfir.

I realize that some of the cards I suggested for addition are already there. My mistake.

Hushwing Gryff, Electrolyze, Izzet Staticaster Zealous Persecution i'll post more when i think of more lol

I never got a tag from your post GlistenerAgent, but thanks.

Oetieloetie, Izzet Staticaster and Zealous Persecution are like, never used in the sideboard. Anyone can prove me wrong though.

Also, how dare ye mention that Relentless Rats should be removed D:<

I'll also need references for Batterskull, Murderous Cut and Crucible of Worlds.

Izzet Staticaster is often in Jeskai Control sideboards for the Pod matchup, while Crucible of Worlds was played in McLaren's Jeskai Control deck at the World Championship and is a relatively common choice when one expects a lot of control mirrors.

Batterskull is a mainstay of Splinter Twin sideboards for BGx matchups, as well as in Scapeshift decks.

Murderous Cut was a sideboard choice in the GP Milan winning Birthing Pod deck.

Batterskull and Izzet Staticaster will be put in then, but you'll have to do better than just one winning deck for Crucible of Worlds and Murderous Cut.

Ah, forgot stuff. Crucible was in Greg Orange's GP Minneapolis Top 8 Jeskai deck, McLaren Pro Tour BNG winning deck, and his World Championship deck.

Murderous Cut is rather new, but I think it's still worth adding because it's an excellent option for pretty much every black deck.

I guess it is good for the black decks that don't have Treasure Cruise or Dig Through Time.

Stain the Mind is a budget version of Memoricide I see sided in in affinity at my meta

Seconded.

Memoricide is budget. It's 30 cents bud.

Still, I've cast and seen cast Stain the Mind on turn 2. It's really good in Affinity when the metagame is right for it.

30 cents I've already wasted on standard ;) lol

If you're going to have Crackling Doom on the list, you should also put Hide/Seek

Oh hey, that thing's still on there? Bai bai.

I've seen Destructive Revelry in some sideboards for Burn and I use it in my own.

Also, don't forget Kor Firewalker.

Harsh Sustenance sideboard tech for tokens decks?

xzzane himself said that it wasn't a good card since it relied on having a significant board presence.

as sideboard vs burn it should be fine as they don't care about your board

I'd rather play Kor Firewalker. More consistent.

Yeah, Harsh Sustenance isn't good. Much better options out there.