Kirin, Fiend Caller

Partner with Ronald, The Familiar
When Kirin, Fiend Caller would be destroyed, exile it instead.
If Kirin, Fiend Caller would enter the battlefield from exile, transform Kirin, Fiend Caller.
{x}{b}{b}, {t}: Create an X/X black demon creature token.
"I fight fire with fire, demons with demons!"
- Kirin Seljak