At the start of each combat, add a random card into your Hand. It's free to play this turn.
Vexing Puzzlebox currently ranks #132 out of 292 in the Slay the Spire 2 Relics tier list with a rating of 1512.11.
This ranking is based on 35 community votes (19 wins, 16 losses) for a win rate of 54.3%.