Hitting a guaranteed draw every time, to get around things like a tree, is simply learning how to set up for the shot with a closed clubface, closed stance, do not turn your body too early and allow your forearms to rotate through the shot more
Too many players worry about mechanical and technical things throughout their swing and never focus on balance which is the key to a stable shot, see if you are in balance by trying to hold your finish position until your ball lands
Hit closer to the ball using a normal backswing and accelerate the club on the way through