Look for Communial Spells, healing spells, buffs (prayer), By Having both Extended and Empowered Meta Magic, you should be able to 'uplevel' any lower level spell when you don't have great choices on a given level of casting
ARCHONS AURA he will be up front great for him ,Prayer , Delay Poison Communal , Resist Energy Communal
Level 4
CRUSADERS EDGE(Amazing buff for anyone attacking in Melee its effects are Boosted on Camellia) , Protection from Energy Communal (Stacks with resist), Death Ward , Restoration