In this rule

Historical Rules · 6 June 2025

Rule 702.55a

Official source text from the 6 June 2025 Rules release

Permalink

Haunt is a triggered ability. “Haunt” on a permanent means “When this permanent is put into a graveyard from the battlefield, exile it haunting target creature.” “Haunt” on an instant or sorcery spell means “When this spell is put into a graveyard during its resolution, exile it haunting target creature.”

Find this number in the current Rules