Transmutation
Level: Spell 6
Components: V, S, DF (and possibly M, F and XP)
Casting Time: 15 minutes
Range: Personal
Target: You
Duration: Instantaneous
This spell functions like anyspell, except you can read and prepare any arcane spell of up to 5th level, and the prepared spell occupies your 6th-level domain spell slot.
Source: Spell Compendium (Page 15)