Membership Card (Mario & Luigi: Superstar Saga)
From the Super Mario Wiki, the Mario encyclopedia
The Membership Card is a gold card found in Mario & Luigi: Superstar Saga and Mario & Luigi: Superstar Saga + Bowser's Minions. The card is used to gain entry to the cola cellar in the S.S. Chuckola. It is earned by winning Bink's barrel minigame.
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