This page has a listing of all the spells in the game. It also tells the mana costs, gold costs, and what classes can use them.
Thanks Sargon, I stole most of it from your site! But his site was quite outdated so I still ended up having to update basically every spell...

Sorceror Spells	Cleric Spells	Druid Spells	Paladin Spells
Burst Stoneskin Mingster Sap Unkelming Airwalk Zot Enchant Iwuganti Warpdoor Mightshield Shocksphere Illuminatus	Curel Jurgen Bless Soulbind Lifetap Vanos Ray Venin Illuminatus	Curel Ray Venin Charm Haste Faeriefire Plantcall Animorph Illuminatus	Curel Jurgen Bless Illuminatus

Mage Spells: Burst " A low level mage spell, Burst focuses the energy of the caster into a material form, and launches it at the target. The effects of this attack differ based on the caster's divinity... " Direct damage spell that can do up to 108 damage with 22 intelligence. Casted by Mages, Casting cost is 3 mana, You can obtain this spell at level 1 Stoneskin " Stoneskin endows the caster with an aura of protective energy, as if they were made of solid rock. " Increases your armor by up to 60 points. Casted by Mages, Casting cost is 20 mana, You can obtain this spell at level 1 Sap " The Sap spell allows the caster to drain physical energy from his opponents, weakening them significantly. " Significantly lowers your opponents strength. Casted by Mages, Casting cost is 10 mana, You can obtain this spell at level 6 Mingster " Ming's Magic Steroids - this spell endows it's target with great strength, making him incredibly powerful in battle! " Increases the target's strength by up to 12 points. Casted by Mages, Casting cost is 10 mana, You can obtain this spell at level 6 Unkelming " Uncle Mings Magic Monster spell! Quick, easy, no-stick monsters in just mere minutes! " Spawns monsters relative to your divinity. Casted by Mages, Casting cost is 7 mana, You can obtain this spell at level 3 Zot " Ming's Magical Attack - By combining various components , Ming came up with a powerful spell that damages a target with the energies of divinity. " Zot is the next standard of burst. With a maximum damage of 156, this spell is quite efficiant. Casted by Mages, Casting cost is 7 mana, You can obtain this spell at level 3 Enchant " A gift from the DungeonMaster Himself.... this mysterious spell empowers your weapons and armor with magical powers. It will sharpen your blade, strengthen your staff and harden your armor... but beware the cost. He who giveth, can take away. " Enchant will make your weapons and armor preform much more efficiantly. Bright Enchant is obtained at level 24. Casted by Mages, Casting cost is 1/2 of your max mana, You can obtain this spell at level 13 Iwuganti " A centuries old spell originated by the Goblins of the Emagge Forest, this spell is rumored to have the power to render it's caster INVISIBLE... " Renders the target invisible but still able to be attacked. Casted by Mages, Casting cost is 20 mana, You can obtain this spell at level 9 Warpdoor " This spell produces a door to the underworld, allowing the caster to call forth a demon from below. The strength of the caster determines what they can call upon. " Warpdoor will summon a Midge from the underworlds. Midges have decent hit points and will aknowledge hidden or sneaking people. Casted by Mages, Casting cost is 20 mana, You can obtain this spell at level 8 Airwalk " Airwalk is a basic spell created by elder mages in retaliation to assassinations of high rank magi. The spell allows the one it's casted on to avoid a predatory assassin. " Airwalk allows you to safely walk over traps and prevents people from stalking or tracking you. Casted by Mages, Casting cost is 15 mana, You can obtain this spell at level 5 MightShield " Ming's Magic Shield - This spell covers an entire party in an aura of protection, very useful for large parties of adventurers. " Increases the armor value of your whole party for a short period of time Casted by Mages, Casting cost is 25 mana, You can obtain this spell at level 24 ShockSphere " ShockSphere is a spell gained by only the strong of the magic. It is said to call upon the very forces of nature to rise up and destroy a target. It takes intense concentration and power to cast " Shocksphere is an extremly powerful spell. High level mages will be feared greatly because of this spell, our Dungeon Master has not yet taught the Guild Masters this spell, therfore no sorceror is able to obtain this spell as of right now. Casted by Mages, Casting cost is 10 mana, You can obtain this spell at level ? (unknown) Illuminatus Illuminatus is learned by using the item "Scroll of Vallyx". Any spell using character can learn it at any time. When cast it omits an orb of light which allows you to see even in the darkest places. Casted by Mages, Paladins, Clerics, and Druids, Casting cost is 15 mana, You can obtain this spell at any level

Healer Spells: Curel " A minor healing spell, Curel allows the caster to cure minor wounds that have been inflicted on the recipient. " Casted by Clerics, Druids, & Paladins, Casting cost is 5 mana, Clerics, Druids, & Paladins can obtain this spell at level 1 Jurgen " A higher level healing spell then Curel, Jurgen allows the caster to cure wounds that have been inflicted on the recipient. " Casted by Clerics & Paladins, Casting cost is 10 mana, Clerics can obtain this spell at level 8, Paladins at level 16 Ray " A potent attack spell, Ray allows a healer to focus a single beam of powerful energy at their opponent. " The healers version of Burst. Casted by Clerics, Casting cost is 5 mana, Clerics can obtain this spell at level 6 Venin " This basic spell is learnable by all healers. It soothes away any poison that is inflicted upon the body. " If poisened, Venin will cure that illness. Casted by Clerics & Druids, Casting cost is 40 mana, Clerics and Druids can obtain this spell at level 5 Soulbind " The caster reads the soul of the target and infuses the information of it into the item of choice. With the aide of a moonstone, the item will remain forever with the target. " Soulbinding an item, weapon, or armor will bind it to your soul. This means that when you die you will not drop the soulbound item. Casted by Clerics, Casting cost is all max mana, Clerics can obtain this spell at level 14 Bless " This power allows for the caster to call upon the god he follows. If found worthy, the god infuses the armor or weapon with its power. " When a weapon or armor is blessed it increases the damage or armor value. Part of "decking" an item includes 1 bless from a follower of each divinity. Casted by Clerics, & Paladins, Casting cost is all max mana, Clerics can obtain this spell at level 20, Paladins at level 23 Lifetap " This powerful spell gathers in all of the casters healing power and disperses it amongst many. It is not as strong as other healing spells, but it heals many at one time. " Lifetap heals all party members on the screen. This spell is for high level Clerics and Priests only, for when healing a moderatley wounded party, it uses a lot of your magic points. Casted by Clerics, Casting cost is 13 mana, Clerics can obtain this spell at level 20 Vanos " One of the most powerful healing spells, only the strongest of clerics have been able to learn this. It is rumored it is strong enough to even restore lost limbs. " Vanos is another high level Cleric or Priest spell that heals for more than 2 times more than Jurgen, occasionaly 3 times more. Casted by Clerics, Casting cost is 20 mana, Clerics can obtain this spell at level 16 Boire " This useful spell is most beneficial to those lacking drink or the means to get drink. It is a basic spell, but a must have for all druids. " Cures thirst. Casted by Druids, Casting cost is 5 mana, Druids can obtain this spell at level 8 Nouritu " This useful spell is most beneficial to those lacking food or the means to get food. It is a basic spell, but a must have for all druids. " Cures hunger. Casted by Druids, Casting cost is 5 mana, Druids can obtain this spell at level 8 Haste " This spell has the power to hasten the caster's movements, allowing them to attack more quickly, and making them harder to hit... " Gives the target +15 armor and 1 extra action. Casted by Druids, Casting cost is 40 mana, Druids can obtain this spell at level 10 Charm " The charm spell relies on a casters own inner beauty and charisma to influence it's target under control. " When successful, the caster gains control of the monster and can tell the monster what to do. Casted by Druids, Casting cost is 20 mana, Druids can obtain this spell at level 9 Animorph " Druids use this powerful spell only in times of mortal danger. Shape-shifting requires a good deal of energy, however, the restorative benefits may well be worth the cost. " Animorph transforms the caster into an animal form according to the Druids divinity. Attack, dodge, and armor are all greatly increased and your life is restored to max. You can not cast spells while morphed. Casted by Druids, Casting cost is 60 mana, Druids can obtain this spell at level 12 Plantcall " Druids have many uses for this basic summoning spell. Travels can be much safer when one has company, or perhaps the journey has been a long dreary one, and you need someone to talk to. Then again, there's always a need for firewood... " Plantcall summons a plant like pet that will attack on call for its caster. The monsters type is dependant on the location. You must be in a "plant-like" region for the spell to take affect. Casted by Druids, Casting cost is 40 mana, Druids can obtain this spell at level 8 Faeriefire " One should never underestimate the power a peaceful-seeming Druid may possess. This spell has been the undoing of many unfortunate would-be assassins and thieves. " Faeriefire cause its target to permit a purple glow, preventing your target from sneaking and/or hiding whilst he is affected by this spell. Also lowers the targets armor by 15. Casted by Druids, Casting cost is 25 mana, Druids can obtain this spell at level 11