At the start of each combat, add a random card into your Hand. It's free to play this turn.
Vexing Puzzlebox currently ranks #138 out of 292 in the Slay the Spire 2 Relics tier list with a rating of 1505.74.
This ranking is based on 40 community votes (21 wins, 19 losses) for a win rate of 52.5%.