A smattering of burn in a deck with a decent ability to fix red is great
In a pinch, you can flash it in for a combat surprise
The Black Cat-Gator is a bit of a win-con seven-drop 3/2 lifelink to smash one target our Swamp count, and with lifelink there
Experimental Frenzy should at least see sideboard play in every non-Izzet Red Aggro deck with room to be built around in maindecks as well

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In a world of upgraded Commander 2019 decks, I'd be looking to overload on sweepers, with the goal being to take over with Sevinne, the Chronoclasm value in the late game, but the precon seems like it will likely just get run over by faster decks while Sevinne, the Chronoclasm repeatedly dies before doing much of anything