pf2e.fyi
From Pathfinder Battlecry!, which isn't enabled.

Contact With the Enemy

FEAT 14
Prerequisites Adaptive Stratagem

You know that even the best-laid plans rarely survive contact with the enemy, and you have prepared your allies to adapt with a wide array of contingencies. When you use Adaptive Stratagem, you can replace any master tactics or legendary tactics you have prepared with any other tactics in your folio.

Pathfinder Battlecry!ORC