Just ETR'd my evoker cleric (pure cleric 20, Divine disciple major, Radiant Minor). I still need some tokens so I decided to do a little experiment on the ETR. If I like it, I'll do a 2nd ETR if not, I'll just TR once again.
Cleric 20 human
Strength 16, Dex 14 Con 14, Int 10 Wis 14 Cha 14, All level ups to strength
Build concept: The barbarian's best friend
Feats Empower heal, power attack
Two weapon fighting at 3rd (+1 tome takes effect then), Completionist at 6th (can substitute quicken if you don't have that), Exotic weapon Khopesh at 9th, Improved TWF at 12th, Great TWF at 15th, Imp Crit (slash) at 18th, Overwhelming crit at 21st, Probably quicken at 24th
Skills, with a +5 int tome you can max conc, spellcraft, and heal and almost max UMD
Enhancements
Warpriest 31 (key points AM strike, fully tricked out Inflame)
Radiant 41 (Key points, Positive energy aura, Cure focus, +3 to heal cast level, tons of regenerating turns, capstone)
Rest in Racial
Epic destiny Divine crusader
Spells are mostly heals and utilities, you do your damage with TWF, consecration, and strike down. You have perma blur, haste as a castable spell, and an aura that ticks very close to 100 with nearly 200 on crits. Every 15 seconds you have AM strike for a large free heal plus lesser restoration in an area effect. Any tank stacked with you with even moderate healing amp will probably never need a spot heal between aura, consecration, and judicious use of positive energy burst.
Going to see how this one works in EEs