Rennala, Carian Queen

When Rennala, Carian Queen enters the battlefield, create three "Juvenile Scholar" tokens.
Whenever you cast an instant or sorcery,
copy target spell. If you pay {2}, you may
copy it again.
Ranni's Intervention - {u}{u}{w}If Renalla
would be destroyed by taking damage or if
you pay this cost, transform Renalla.