Star Trek Missions: My Favorite Game Mechanism

About Star Trek: Missions, from BoardGameGeek:

In Star Trek: Missions, you explore all the mystery and excitement of the galaxy, featuring characters, locations, and equipment in familiar groups or in strange new combinations. Assemble a crew with anyone from Commander Riker to DaiMon Bok, grab a Bat'leth, and take on challenges like organizing a Diplomatic Conference, or getting trapped in the Holodeck! The combinations in each hand create a brand new episode of the Enterprise's continuing mission. Make the best combo to score the highest points and claim victory. -description from the publisher