Anon should set himself a 'how many times can a buttfuck Starlight in three days' challenge.

Keeping your eyes on the two, you reached onto your pocket and pulled out a small vial. "Here, I managed to get this from Zecora the other day," you said, offering it to the drake. "Wacky Vine extract. Just put two drops in Twi's drink and she'll calm right down. Five drops should have her sleeping like a baby tonight."

Well. This could be abused.

I like this one best so far. Then again, I like Glimmy quite a lot.