Mister Negative is a MARVEL SNAP card that costs 4 energy and has -1 power. It has the effect: "On Reveal: Swap the Power and Cost of all cards in your deck."
It has variants that are part of the Luca Claretti, Demon Form, Chibi, Pixel and PANDART STUDIO categories.
Mister Negative has synergy with Iron Man, Mystique, Ravonna Renslayer, Magik and Zabu.