ANSWER:

This kind of thing is totally prohibited as it is not from the Sunnah. This is exactly what the idol worshippers used to do before Islam when drawing the lots. 

Kindly refer to the following link(s):

Sheikh. I hav to tak a vry vry imp decision of my life. i do istikhaara. here one alima said me. we can make 6 chits 3 yes and 3 no. perform istikhaara thrice each time after making istikhaara dua to allah take one chit. which chit come more in 3 chits. go to that decision. Can i do like this. before 3 years i did it and it happened the same. i received same reply in dream too.