Mountain sage is a sage that grows in high altitudes in arid climes. It is good for adding strength and energy in rituals. Mountain sage does dispel negative energy as well. AKA desert Mugwort.
 
Palo santo sticks can be used to clear negative energy in your home. 
Smudging palo santo can create a cathartic ritual. 
Some believe sniffing palo santo oil can relieve headaches