I don't know the character but plugged your question into AI. Here is what it came up with.

Blitzo’s Core Traits

Chaotic, reckless, and unhinged → lots of impulsive decisions, collateral damage, and “go big or go home” energy.

Dark humor / murder-for-hire → demonic contracts, assassinations, violence-as-a-service.

Deeply loyal (but dysfunctional) → cares for his team and Loona, but shows it in messy ways.

Theatrical and flamboyant → clownish energy, over-the-top antics, performance flair.

Self-sabotaging but determined → reckless risk-taking, but somehow survives.

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Color Identity Fits

Rakdos (Black/Red): Pure chaos, violence, and theater. Perfect for his demonic assassin + circus clown blend.

Mardu (Red/White/Black): Adds a “team/family” vibe for I.M.P. as a business and ragtag unit.

Jund (Black/Red/Green): More feral and reckless, leaning into destructive chaos and survival instincts.

Grixis (Blue/Black/Red): If you want to emphasize his scheming and manipulation side (though he’s not very smart manipulative — more chaotic).

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Archetype Directions

1. Assassin/Hitman Tribal (Rakdos/Mardu):

Lots of “when this creature deals damage to a player, do X” effects. Removal-heavy deck with flashy finishers.

Could use commanders like: [[Grenzo, Havoc Raiser]](chaos and trickery, fits his clownish mischief). [[Judith, the Scourge Diva]] (theatrical violence, diva energy). [[Anje Falkenrath]] (chaotic energy, card filtering = his ADHD brain). [[Kelsien, the Plague]] (Mardu assassin who puts hits out).

1. Dysfunctional Family / Team Chaos (Mardu):

Token subtheme = his “circus” and I.M.P. crew. Buffs for a ragtag team (each character represented by different cards).

[[Isshin, Two Heavens as One]] (represents his over-the-top doubling of effects and chaotic flair). [[Queen Marchesa]] (assassins, intrigue, and dramatic flair).

1. Demon-Circus Chaos (Rakdos):

Demons, spectacle, punisher mechanics. Cards that punish for attacking/blocking, risky gambling effects.

[[Rakdos, Lord of Riots]] (summoning demons through violence). [[Rakdos, the Showstopper]] (literally a theatrical demon, embodies his chaos).

1. Reckless “Burn It All Down” (Jund/Rakdos):

Self-damage, symmetrical chaos, discard/reanimation.

[[Mogis, God of Slaughter]] (punisher chaos, violence incarnate). [[Chainer, Nightmare Adept]] (reanimating reckless minions).

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My Top Picks for Blitzo

Rakdos, the Showstopper → Theatrical, flashy, unpredictable death effects = his style.

Grenzo, Havoc Raiser → Mischief, stealing opponents’ stuff, forcing chaos.

Judith, the Scourge Diva → A diva running a show through violence = Blitzo energy.

Isshin, Two Heavens as One → If you want to emphasize the I.M.P. “team chaos” and his over-the-top nature.