Game Masters Toolbox – Critical Rolls Box Set

Critical Rolls introduces a variety of new effects to the triumphant natural 20 and the dreaded natural 1, including critical hit effects for GMs and players, critical fails, and a good and bad luck mechanic for criticals rolled in and out of combat.

This boxed set includes five 60-card tarot-sized decks, including:
Critical Fails
Critical Hits for GMs
Critical Hits for Players
Bad Luck
Good Luck