I'd have to say it was the Anieth Nature Tarot as I used it for the Sacred Days of Midsummer and have been having a little break from the Greenwood.

Secrets of the Mystic Grove for the same reason as @ilweran. Used id for sacred days of midsummer for the second year. Interesting how such experience "ties" me to a deck.

 

Katie

This month:

Anieth Nature Deck

My everlasting all time favourites are:

Greenwood Tarot

Ironwing Tarot

Tarot of the Origins

a Family history deck since the time of my maternal Grandmother (~ 1890) and dear to me: Soprafino Tarot

 

DruidCraft is my RWS Style go to deck and I often use it when I read in public.