pf2e.fyi
From Pathfinder Stolen Fate Player's Guide, which isn't enabled.

Harrow the Fiend

FREE ACTION
Activity free action

Trigger You start your turn in combat against a foe or foes you recognize to be fiends
Frequency once per day

Effect You gain a +1 status bonus on all Strikes or spell attack rolls against fiends for the duration of combat. Once during combat, you can draw a harrow card after you determine if a Strike or spell attack on a fiend hits but before you determine damage or effects caused to the fiend. If you draw a card from the suit of Hammers, increase the degree of success of your Strike or spell attack by one.

Effect: Harrow the Fiend

Pathfinder Stolen Fate Player's GuideOGL