It gives versatility, deep and that sweet fluff. First of all, you can now target yourself, applying Bane and Boon. Like Snorlax’s nap, Lissandra’s ult form LOL, painkillers that make you hallucinate. On the other hand it provides funny crowd-control mechanic, like Phantasmal ladies, entertaining enemy, but giving him Bolster. It olso works like side effect of your abilities. By the way, they can be very good limiters: