(in fact closer to cleric/magic-user multiclasses)
2’000 XP for level 2; To-hit: MU ; Armor: Any, but impedes spellcasting; Saves: MU (death and breath at +1)
Spells: Any, cannot specialize ; Spell Points: As Magic-User
Additonally, Clerics that have an alignment can pray for one hour (uninterrupted) on consecrated ground to learn any Cleric spell (PHB p.40). The normal limits on spells known apply same as for usability (level must be (character level x 2)-1).
Leather Armor: normal
Helmet: Power of all spells reduced by 1
Shield: Power of all spells reduced by 1
Metal Armor: only Cleric and Druid spells are usable AND Power of all spells reduced by 1