Tengu format ruling
Patroid

Card effect (current official text)Once per turn, during your Main Phase, you can look at 1 face-down card your opponent controls, then return it to its original position.
Rulings
- The effect of "Patroid" targets a card.
- If "Patroid" is flipped face-down or removed from the field, its effect is reset and you can use it again that turn if you can get it face-up on the field again.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.