Preheat your oven to 425 F.
Combine flour, baking powder, baking soda, salt, and garlic powder
Add in cubed cold butter, mix with hands or pastry cutter until course crumbs form
Add in both cheeses and mix until evenly distributed
Add in sourdough discard, milk and honey and mix until well incorporated
Pull off dough in your desired size biscuit and drop onto a baking sheet, forming a rough shape. (dough will keep the shape you put it in so however you want them to look)
Bake at 425 for 12-15 minutes, until the top is golden brown
Serve warm or let cool on a cooling rack.