Bible Verses About Intercessory Prayer: Commanded

I exhort therefore, first of all, that supplications, prayers, intercessions, thanksgivings, be made for all men;

Is any among you sick? let him call for the elders of the church; and let them pray over him, anointing him with oil in the name of the Lord:

Confess therefore your sins one to another, and pray one for another, that ye may be healed. The supplication of a righteous man availeth much in its working.