The quick answer is that BO7 calling cards are unlocked by completing specific in-game challenges in Multiplayer, Zombies, Warzone, or Campaign, and some categories require finishing an entire set to earn the master card. Publicly posted challenge lists show examples like getting eliminations, wins, headshots, objective kills, and mode-specific feats; several guide posts also describe “champion” or “master” style cards as tied to special challenge tracks or event rewards rather than a single universal unlock.

How they usually unlock

Most calling cards in BO7 follow one of these patterns: complete a stat-based challenge, finish all challenges in a category, or earn a hidden/secret reward through a specific objective.

  • Simple progress cards: things like 100 eliminations, 3 wins, or 5 scorestreak kills.
  • Category completion cards: finish every challenge in a set such as Boot Camp, Elite Operator, or Grizzled Veteran.
  • Special challenge cards: hidden, animated, or event-linked cards that may require a side objective, a secret location, or a limited-time event task.

Champions quest cards

For the “champions quest” style cards, the public guidance points to a challenge-track unlock rather than a code or store item. In practice, that means you usually need to open the calling card challenge menu, find the relevant track, and complete the listed requirements until the master or animated reward appears.

Fastest way to check

  1. Open your profile or calling card challenge menu.
  2. Look for the challenge category tied to Champions Quest, event rewards, or a master set.
  3. Read the exact requirement for each locked card.
  4. Finish every item in the set if a master reward is shown.

What to expect

If the card is part of a normal challenge set, you’ll see a clear objective like kills, wins, or mode-specific actions. If it is a secret or event card, the requirement may be hidden behind a special task, and community guides often fill in the missing steps.

TL;DR: BO7 champions quest calling cards are generally unlocked by completing the related challenge chain in the calling card menu, and the final reward usually comes from finishing the whole set or a special event task.