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, Kitty Pryde, Angela, Professor X and Jeff the Baby Land Shark.