I'd find out what shaman uses - bucks apparently call back to him.
Both times, I let out a grunt early in the morning and got an angry, aggressive return call from the buck. He wanted a piece of me and he was coming to teach me a lesson.
If memory serves, mine is this no-name plastic thingus I got as a premium for ordering a subscription to Bowhunter Magazine back in the mid-80's. The first time I took it afield, I gave a little toot on it, and immediately got a stampede of doe that decided to break cover and darn near run me over.
Shaman's First DeerI don't claim it has magic powers, and I don't use it much, but dang if it hasn't made my day on several occasions. The last time, 2007, that buck was so determined to have a piece of me, I was glad I was up a tree.