Dancong
Sampler of 12 types (I dont know a good store for this tea yet so let me know if its nice!)
https://item.taobao.com/item.htm?spm=a1z10.5-c-s.w4002-11231883913.18.715133ban3Pu8s&id=560678240875

Rock Tea
Medium Roast - Fruity
https://item.taobao.com/item.htm?spm=a1z10.5-c.w4002-219041606.25.74d85f57i9LVJv&id=557518525118
Stronger Roast
https://item.taobao.com/item.htm?spm=a1z10.5-c.w4002-7856452677.47.13f7d718jWENF1&id=539847267888

Pu-er
I can't tell dodgy stuff from good, so just go with factory tea official store:
https://dayi.tmall.com/shop/view_shop.htm?spm=a230r.1.14.10.23fc276dmCSKos&user_number_id=737934527
I remember the yellow one of this was nice:
https://detail.tmall.com/item.htm?spm=a1z10.1-b-s.w5003-17749791504.2.387506f4gatgXw&id=43382352115&scene=taobao_shop
And then maybe just pick a random cake based on price. Careful whether it is Raw/Cooked