Answer:
Though I am only two words I have thousands of letters in me
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
I am a kind of coat that can only be put on when wet.
I am a band that does not perform, sing, or act. What am I?
A large oasis in the desert. Come with cash and leave with none. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.