Format: Commander / EDH Archetype: Spellslinger / Stax

Hey everyone, looking for some tuning feedback on my Izzet Spellslinger build around Vivi Ornitier.

The main goal of the deck is to break parity under a tight resource lock and storm off out of nowhere. Since Vivi gains a +1/+1 counter on every noncreature cast and taps for mana equal to his power, he essentially functions as a scaling ritual engine right in the command zone.

The Core Engine Winter Orb Asymmetry: Breaking the lock using Urza, Lord High Artificer and Galazeth Prismari to tap down the Orb on the end step right before my turn so my lands untap. I've also integrated Metallic Rebuke to leverage the Improvise mechanic to tap the Orb defensively.

Pumping for Rituals: Running ultra-efficient spells like Monstrous Rage and Bulk Up. Because Vivi treats his power as a mana pool multiplier, these 1-to-3 mana tricks act as explosive positive-mana spells mid-storm.

The Payload: Pouring massive pools of floating mana into scalable finishers like Crackle with Power, Banefire, or a massive Pull from Tomorrow.

Specific areas I'd love feedback on: The Protection Suite: I leaned hard into ultra-low CMC interaction (Turn Aside, Flusterstorm, Metallic Rebuke) to ensure I can protect Vivi or the lock with only a single land untapped under Winter Orb. Is the lack of traditional hard counters a liability here?

Card Flow Balance: I cut back on heavy delve spells to avoid resource conflicts with Past in Flames, replacing them with scaling X-draw engines. Does the velocity look consistent enough, or will I run out of gas?

Hidden Inclusions: Are there any missing 1-mana tricks or engine pieces that break Vivi's power scaling even faster that I completely overlooked?

Let me know what cuts or swaps you'd recommend to clean this up. Thanks!

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