Div card "The Lion" not dropping in SSF

Hello,

Yesterday I started farming the divination card "The Lion" from Act 6 Mud Flats and the mob Dishonored Queen.

I was using a character around level 46-50. I got 3 cards in around an hour.

Then, the divination card seemingly stopped dropping. I even leveled a second character and killed the Dishonored Queen hundreds of times on level 46 and didn't get a single card.

I kept killing her, and killed her hundreds of times on level 47, 48, 49, 50 and still not a single card.

I believe that something happened behind the scenes and I urge you to return the drop rate, as it is ruining my SSF experience. Thank you.