Borderlands 4Vault Card: Mercenary Day

For 10 Vault Card Tickets you can unlock a weapon from the Happy Mercenary Day! - Vault Card.
The weapon's parts are fixed the 1st time, but spending another 10 tickets gives you a varied version.

Vault Card Tickets can be earned by:

• Leveling up the Vault Card: 2 Tickets
• Completing Daily Challenges: 4 Tickets
• Completing Weekly Challenges: 9 Tickets