The first time you play an Attack, Skill and Powers each turn, gain 1 Strength and 1 Dexterity.
Rainbow Ring currently ranks #166 out of 292 in the Slay the Spire 2 Relics tier list with a rating of 1486.78.
This ranking is based on 34 community votes (17 wins, 17 losses) for a win rate of 50%.