Tremere still work pretty well too. They get shoehorned into intercept 2nd round combat, but both Dominate and Auspex still work. Gangrel are playable, but have a hard time. If they are prey to a Malk, they are doomed, but if their first predator is benign, they may get enough intercept via Ravens and Bikes to slow a Malk rolling around the table. Once that happens, the Claws may save them, depending on how many guns and minions the Malk has accumulated.
Toreador are also playable but difficult.
If they can get the guns out, they can fight very well. Ventrue, Brujah, and Nosferatu are pretty much out. Nosferatu can get intercept the same way the Gangrels do but their combat is less powerful and thus rarely adequate. Finally, we lose the richness from fundamentally different cards. Jyhad is a far more complex system than Magic.