Attack of the Karens

Attack of the Karens does X damage to all creatures your opponents control, where X is the number
of Anti-Vaxxers you control.
Attack of the Karens does X damage to all opponents, where X is the number of disproven medical
studies linking vaccines to autism.
Attack of the Karens destroys X artifacts and enchantments, where X is the number of doctors
crying because of her stupidity.
Exile Attack of the Karens.