Crossbones is a MARVEL SNAP card that costs 4 energy and has 10 power. It has the effect: "You can only play this at locations where you are winning."
It has variants that are part of the Chibi, Noir, Pixel, Pantheon, Hydra and Dan Hipp categories.
Crossbones has synergy with Surtur, Skaar, Attuma, Zabu and Armor.