Necessary cards:
Joshua the High Priest
Phinehas, son of Eleazar
   Jordan Interrupted
   Trumpet Blast
   Zeal for the Lord
Ethiopian Treasurer
   AoCP
   Reach of Desperation
Melchizedek (MC)
Fun combo-making cards:
The teal enhancement-placers
King David
King Jehoshaphat
   Peace Treaty
   Unified Kingdom
Moses/Ira/Benaiah