+1 Summoner Level:
Skill Point Favored Class Bonus
Skill Point Alocation: 5
+1 Handle Animal
+1 Knowledge Arcana
+1 Spellcraft
+1 Use Magic Device
+1 Perform: Dance
Feat Selection: Level 7 Bonus
Evolved Summon Monster (Advanced Player's Guide)
Magic Attacks (Su): An eidolon is infused with magic, allowing it to treat all of its natural attacks as if they were magic for the purpose of overcoming damage reduction. If the summoner is 10th level or higher, all of the eidolon's weapons are treated as the alignment of the eidolon for the purpose of overcoming damage reduction.
Magic Spells
Level 1: Endure Elements
Level 3: Wall of Fire
Level 3: Waterbreathing
Shopping
3,000gp Adding Shocking to my Spear, Add 1d6 in extra Damage, and damage type should read "Piercing and Electricity" to both Melee and ranged versions.