If a Spirit is in your graveyard, unless an opponent has 8 or less life, players can’t untap black permanents until end of combat. Otherwise, destroy target Spirit.
Seance of Townsfolk {3WW} |Instant| If a Spirit is in your graveyard, unless an opponent has 8 or less life, players can’t untap black permanents until end of combat. Otherwise, destroy target Spirit. / Target player gains 4 life.