This deck is finally at a point where I feel okay enough to talk about it!
This concept was posted on a board a while back and I immediately fell in love with it. The core engine is that you use Violent Outburst to cascade into Arcane Denial—the only card that costs less than 3—to counter your own Outburst while it's still on the stack and draw 3 cards for 3 mana. Because Cascade triggers as the spell is being cast rather than when it resolves, Denial will end up happening before the actual Outburst +1/+0 effect goes off.
With this combo in mind, the deck is designed to cheese your way around the "no cards that cost less than 3" restriction by playing cards that technically cost more than 2 but can be played earlier. Examples include Fire / Ice, Sword Coast Serpent, and Mirrorshell Crab. The last card I mentioned is particularly useful, because it opens you up to a whole new world of Arcane Denial—if you use Arcane Denial to counter your opponent's spell, a trigger will go on the stack during the next upkeep that says "your opponent may draw up to 2 cards." However, the effect still comes from your card, meaning you're the controller—you can channel Mirrorshell Crab, refuse to pay the 3, and counter their draw trigger. It feels almost like a Pact of Negation. Almost.
Speaking of free counter magic, let's take a moment to talk about Foil. Honestly, this thing is the reason for the season—we do a lot of tapping out to draw a ton (hardcasting Mulldrifter ahead of curve comes to mind), and being able to maintain interaction despite having no mana can be a game ender. The manabase of this deck is also built to specifically enable Foil usage, with Ash Barrens, Firewild Borderpost, and Simic Growth Chamber allowing you to pick up islands as fodder for counterspells.
The game plan for this deck is to ramp in the early game with things like Geomancer's Gambit + Tanglepool Bridge and Greater Tanuki while pestering them with interaction, then settle into a late game full of heavy hitters like the back half of Sword Coast Serpent. There's also value to be gained from Ghostly Flicker in combination with the Evoke Elementals and Ardent Elementalist, which is nothing new and can run your opponent over in the late game (speaking of running them over, Avenging Hunter will sometimes just get you a concession).The white splash is easy to achieve and enables Late to Dinner, which can be a huge blowout. Honorable mentions for splash themes are a couple swamps for main deck Snuff Outs, potentially including Gurmag Anglers (and maybe even Mystical Teachings?).
Honorable Mentions that are worth further experimentation: