Cant get this to work. Trying with Earthbind Totem

/cast Earthbind Totem
/cast Purge
/cast Purge
/cast Purge
/cast Purge

/cast Purge
/cast Earthbind Totem
/cast Purge
/cast Purge
/cast Purge

etc etc

also tried cast sequence as well

/castsequence Earthbind Totem, Purge, Purge, Purge, Purge

/castsequence Purge, Earthbind Totem, Purge, Purge, Purge

etc etc