Horny Jail

Partners with Mother of Milfs
Every creature with at least 7 Horny counters will be exiled under Horny Jail
On your upkeep each creature Exiled under Horny
Jail will gain one Stockholm counter
When any creature has three Stockholm Counter and
is exiled under Horny Jail, you may cast it for half its mana cost rounded down.
When Horny jail leaves the battlefield, all exiled creatures return to their owners graveyard.