Dr. Labanowitz

Weak
If you have cast 5 instant or sorcery spells
this turn, Dr. Labanowitz costs {4} less to
cast and enters the battlefield with two
+1/+1 counters.
{u/r}: You may cast target instant or sorcery spell in your graveyard this turn. If it would
be put into a graveyard this turn, exile it instead.