Geist Ridden Madman

Soulshift 4 (When this creature dies, you may
return target Spirit card with converted mana
cost 4 or less from your graveyard to your hand.)
Any thought of mercy must be saved until after a
everyone is made safe from a possessed person.
Then the spirit may be removed. Care must be
taken, for should they be slain, who knows what
dark spirit will be freed?"- Jacob Willbury,
Travelling Exocist: