Onslaught is a MARVEL SNAP card that costs 6 energy and has 7 power. It has the effect: "Ongoing: Double your other Ongoing effects here."
It has variants that are part of the Kim Jacinto, Max Grecke, Pixel, Maria Wolf, Luca Claretti, Dan Hipp and PANDART STUDIO categories.
Onslaught has synergy with Magik, Mystique, Iron Man, Blue Marvel and Sera.