I've been using a Midrange Hunter deck for a while now. No config, just Vision AI. It's very efficient at farming gold, quick games and cheap to craft at 1180 dust.
I don't have as many games anymore, my stats got reset somehow a while back, but 91% winrate (119-19) at the moment on casual concede. I think it was hovering around 88% before with over 700 games.
Decklist and code:
### Midrange Hunter
# Class: Hunter
# Format: Standard
# Year of the Mammoth
#
# 2x (1) Alleycat
# 1x (1) Fiery Bat
# 2x (1) Jeweled Macaw
# 2x (2) Crackling Razormaw
# 1x (2) Golakka Crawler
# 2x (2) Kindly Grandmother
# 2x (2) Scavenging Hyena
# 2x (3) Animal Companion
# 2x (3) Eaglehorn Bow
# 2x (3) Kill Command
# 2x (3) Stitched Tracker
# 2x (3) Unleash the Hounds
# 2x (4) Houndmaster
# 2x (5) Tundra Rhino
# 2x (6) Savannah Highmane
# 2x (7) Bonemare
#
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#
# To use this deck, copy it to your clipboard and create a new deck in Hearthstone