List of spells:
Arcane Missile - cheap spell suitable against light armored targets
Fireball - Deals heavy aoe damage and burns enemies over time
Lightning Bolt - powerfull small aoe spell that decreases armor of victims
Death spray - fires 3 missiles that drain health from enemies and transfers it to caster
Essencebomb - long range bombardment that spawns 5 missiles
Fire Rain - medium range bombardment that spawns 15 deadly missiles
Minor heal - cheap healing spell that heals for 10 hp
Greater heal - heals caster for 40 hp and applies regeneration
Group Heal - heals allies in 10m radius and applies regeneration
Summon Ancestor - summons imperial legionary to aid caster in combat
Summon Meatwall - summons 10 looters to aid caster in combat
Raise Dead - raises nearby bodies to help caster in combat
Haste - increases atack speed and movement speed of nearby allied troops
Slow - decreases attack speed and movement speed of nearby enemy troops
Stone Skin - increases armor value of nearby allied troops
Teleport Mark - marks location on the map for teleport
Teleport Return - teleports player to previously marked location

Discuss balancing and spells ideas below.