Answer:
What color can you eat?
There are four of us but it seems like everyone loves spades the most.
I can be found after you remove 6 letters from BSAINXLEATNTEARS
I am a box which holds keys but not locks. With the right combination, I may unlock your soul. What am I?
A large oasis in the desert. Come with cash and leave with none.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.