Every game of warhammer is a war of attrition, the only thing that changes is what you are taxing on your enemy. Whether you are removing models or movement your objective should always be to end your turn after leaving with your enemy with less than they started with. This is why skinks are worth so much in our list, they can hurt the enemy in several ways while costing us very little. What are the neat way that you have come up with to leave you enemies with nothing but bad options?