Collective Effort is a Rare card from the Prerelease Cards set in Magic: The Gathering, identified by its number 17. Valued at approximately $0.67, it holds a niche position in the market, appealing to collectors focused on unique and limited cards. Its strategic potential in gameplay, combined with its rarity, contributes to its desirability among players and collectors alike. Sales data indicates steady demand, particularly among those seeking to complete their Prerelease collections.