At the start of each combat, add a random card into your Hand. It's free to play this turn.
Vexing Puzzlebox currently ranks #130 out of 292 in the Slay the Spire 2 Relics tier list with a rating of 1512.64.
This ranking is based on 39 community votes (21 wins, 18 losses) for a win rate of 53.8%.