Havok is a MARVEL SNAP card that costs 2 energy and has 0 power. It has the effect: "After each turn, you lose 1 Max Energy and this gains +4 Power."
It has variants that are part of the Hellfire Gala, Hellfire Gala, Chibi and Fantasy categories.
Havok has synergy with Ravonna Renslayer, Angela, Kitty Pryde, Jeff the Baby Land Shark and Professor X.