Stealer of Wits

Whenever you cast a spell from exile, put a +1/+1 counter on Stealer of Wits.
"Devotees live confined in the limits of Vodia.
Most believe they are a myth. Who you saw in
the woods, it was not your imagination. I've seen them too. You're lucky you're safe with me.
Here, lie down. Take this. You'll feel... Much,
much better..."