maybe this a crazy hot take but i think impulse is good enough that people might favor max charmy to pair with it because as good as nib is imagine drawing into the rest of your deck after hitting crazy. alternatively, you Nib them and then when they go for like a flamberge summon back you hit them with impulse and they pass
Im guessing typhoon be activated from hand during the opponent's turn when they go first? Thats the only reasoning i could see it being better than mst or cosmic cyclone
they can make desirae if they draw engraver without using requiem by going through lurrie moon into sequence. snake eyes can easily make that line without sacrificing anything from their end board due to the amount of bodies it makes