Then I would go for Evocation.
1. Star Fires.... not bad for the amount of research
1. Slime.... For the water random Gutators. Pretty good spell.
2. Rust mist.... Nice against Abyssia for example
3. Sleep Cloud.... High fatigue = good chance for critical hit.
4. Blade Wind.... Need summon Earth Power, Communion or Gems. But great spell. Especially against glamor.
5. Stellar cascades.... Awesome spell. No Super combatant will ever bother you again
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5. Gifts from heaven.... Giant Comets that do 150 damage each. Need I say more?