Bloodhound(Complete Adventurer, p. 144)
Level: Ranger 1, Consecrated Harrier 1,
Components: V, S,
Casting Time: 1 standard action
Duration: 24 hours (D)
If you fail a Survival check to track a creature while this spell functions, you can immediately attempt another roll against the same DC to reestablish the trail. If the reroll fails, you must search for the trail for 30 minutes (if outdoors) or 5 minutes (if indoors) before trying again.