Keepers: save both corners from one server. Reset the set position each time, and attack the ball low and high with clean diving technique.
One server strikes to alternate corners, low then high. The keeper saves and resets the set position between each. Emphasise a balanced set, attacking the ball, and holding or smothering. Rotate the keeper. Add a second server to build tempo.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.