That sounds like a good approach.
Here's a stab at the spell list...
Typical Cleric Spells Prepared (6/5+1/4+1/3+1/2+1; save DC 12 + spell level):
0—detect magic, guidance, light, read magic, resistance, virtue;
1st—bless water, divine favor, entropic shield, obscuring mist, remove fear*, sanctuary;
2nd—aid, fog cloud*, owl's wisdom, resist energy, silence;
3rd—call lightning*, dispel magic, prayer, wind wall;
4th—control water, divine power, freedom of movement*;
*Domain spell. Domains: Liberation and Weather.