Ohmwrecker on Jungle Tanks + Idea to give Ohmwrecker more use

Not something you see often, is it? Ohmwrecker is one of those items that most people think is a trap, but when I play jungle Leona, it is deceptively powerful. That 30% bonus MS near turrets can be REALLY useful for baits, or for rushing into a fight from lane. Also, enemies rarely expect an Ohmwrecker to deactivate their turrets when they're turtling.

That said, it does have serious downsides that prevent it from seeing significant use. First, its defensive stats are generally inferior to Sunfire Cape and Randuin's Omen (although the +100% base health regen can come in handy). Second, it isn't a good item when your team is behind, as you'll never get to use its active. Third, it has a VERY awkward optimal scenario: a mid-game where the enemy has plenty of turrets, something that is very uncommon.

To remedy this, I think Ohmwrecker's active needs to have some special effect if used near allied turrets. Something perhaps to "spring a trap" when an enemy turret-dives you.