i think its a fine tactic... but make the ogre suffer fall damage as well as damage for the wound of having a wizard shoved in him at high speed. The heavier an object is the more damage its going to take from falling on a pointed rock, and a evil wizard is sort of like a squishy, pointed thing... its still gonna be like having 2-3 feet of something slammed into your stomach.
and yeah capping the damage at 20d6 doesn't make a lot of sense... reward innovative tactics but discourage abuse of them.
and yeah capping the damage at 20d6 doesn't make a lot of sense... reward innovative tactics but discourage abuse of them.