Cull Obsidian is a MARVEL SNAP card that costs 4 energy and has 10 power. It has the effect: "You can only play this where you have a 1-Cost card."
It has variants that are part of the In-Hyuk Lee and Max Grecke categories.
Cull Obsidian has synergy with Surtur, Skaar, Shadow King, Crossbones and Attuma.