These are some spell Ideas I would hope to see with the final Morganthe world. They are basically just spells that have been done before but are retyped and altered a bit to fit another school and also I think they would tie the schools together nicely for the final Morganthe world.
Myth - Starfall (Myth school Tempest) Rank X 65 damage per pip to all enemies.
Life - Arch Viridian (Life school Power Nova) Rank 7 480 damage and -25% next outgoing attack to all enemies.
Ice - Water Efreet (Ice school Efreet) Rank 8 765 damage and -90% next outgoing attack
Storm - Reverse Tide (Storm school Shift) Rank 4
Shift 1 damage over time effect to target
Fire - Nemean Lion (Fire school Forest Lord) Rank 8 580-660 damage to all enemies.
Balance - Barrage (Balance school Virulent Plague) Rank 3
-45% next outgoing attack to all enemies.
Death - Lich (Death school Snow Angel) Rank 8 125 + 735 damage over 3 rounds and -15% to all enemies.
school.
damage per pip to all enemies. 
damage and -25% next outgoing attack to all enemies. 
damage and -90% next outgoing attack 
damage to all enemies. 
damage over 3 rounds and -15% 
to all enemies.