From your choices, the natural (brush) blind.

But I make my own. Came upon 6 sheets of scrap plywood for free, used some 1x1s & 4x4s I had laying around for framing. so I only bought some screws (nails suck) and now I have a nice 6x4 box on a 3ft. stand off the ground for the price of a box of screws.