human cloistered cleric1/Wildshape ranger19/monk1
Feats: able learner (to max out knowledge skills) ascetic hunter, extend spell (from planning domain), knowledge devotion (from cloistered cleric), persistant spell, DMM: persistant spell, sword of the arcane order (lets you prepare wizard spells with your ranger spell slots), natural spell, multiattack, practiced spellcaster, and a epic level wild shape feat, maybe magic beast wild shape
DMM: persist the best buffs from the wizard and ranger spell lists you can find from 4th level and down and go crazy since you have unarmed stike damage of a 20th level monk