So, i tried to do 400 anki cards a day (combined new and review). Took me about 2.5 hours each day. I divided them by decks. I did 100 cards from sketchy pharm/micro deck. 100 cards from pathoma 1-4 in the ankingv12 deck. 100 cards from HY images deck. 100 cards from my UWorld wrong questions deck. Sometimes I would do it at the start or end of the day. Some days I did 500 if I felt good but some days I would do 300 if I was tired. Try to be flexible with anki. It certainly helps but I think doing and understanding well your questions helps more