These are MoM Strategic spells not previously suggested I'd like to see in WoM.
Astral Gate
? / ?
City Enchantment
Create a gate to another plane of existence located permanently in a city as long as upkeep is paid.
Consecration
Life / ?
City Enchantment
Target city gets +X (a lot) of resist vs Negative Energy effects and all corruption in the city's radius is removed.
Endurance (?Forced March?)
Biomancy / ?
Unit Enchantment
Target unit gains +1 movement.
Herosim
Life? / Augmentation?
Unit Enchantment
Target unit becomes max level while upkeep is paid. Automatically dispels when the unit earns enough XP to naturally be max level.
Planar Travel
? / Augmentation
Unit Enchantment
Target unit gains Planar Shift ability.
Planar Shift
? / ?
Instant
Target stack travels to another plane.
Prosperity
? / ?
City Enchantment
Target city gains +X% gold production.
Resurrection
Life / ?
Instant
Target dead Hero is brought back to life at the caster's summoning circle.
True Sight
Life / Augmentation
Unit Enchantment
Target unit gains Illusion Immunity.
Cloud of Shadow
Death / ?
City Enchantment
All battles in target city are under the effect of Darkness.
Cruel Unminding
Death / ?
Instant
Target enemy Sorcerer Lord loses X% (1-10) of his casting skill.
Cursed Lands
Death / ?
City Enchantment
Target city has it's production reduced by X%.
Famine
Death / ?
City Enchantment
Target city's food production is reduced by X%.
Pestilence
Death / Biomancy
City Enchantment
Target city loses a population each turn if it is above X pop.
Subversion
Death / ?
Instant
Target Sorcerer Lord has diplomatic relations with all other Lords reduced by X to Y amount.
Warp Fount (formerly Warp Node)
Death / ?
Instant
Target Fount reduces mana income rather than generating mana income. Warped Founts cannot change owner.
Wraith Form
Death / Augmentation
Unit Enchantment
Target unit gains Non-Corporeal ability.
Change Terrain
? / ?
Instant
Change the terrain type of one tile. (MoM changed most tiles one step closer to grassland. The WoM version could be a random change?)
Earth Lore
Earth / ?
Instant
Reveal an area of the Strategic map. An Earth version of Far Sight.
Earthquake
Earth / Destruction
Instant
Target city has random units and buldings destroyed.
Gaia's Blessing
Earth / ?
City Enchantment
Increase the Growth stat of the surrounding tiles, thus increasing the max pop of the target city.
Giant Strength
? / Augmentation
Unit Enchantment
Increase the attack value of the target unit by 1.
Ice Storm
Water / Destruction
Instatnt
Hit each unit in target enemy stack with a strong cold attack.
Move Fortress
Earth? / ?
Instant
Move your Fortress to the target city.
Nature's Cures
Earth? / Biomancy
Instant
Restores all units in a targeted stack to full health.
Nature's Eye
Earth? / ?
City Enchantment
Increase the scouting radius of target city.
Pathfinding
Earth / Augmentation
Unit Enchantment
Target unit gains Pathfinding ability.
Regeneration
Earth? / Augmentation
Unit Enchantment
Target unit gains +1 Regeneration.
(MoM regeneration was +1 HP each round of combat and full heal at end of combat.)
Resist Elements
? / Augmentation
Unit Enchantment
Target unit gains +3 to all saves vs any elemental effect.
Wall of Stone
Earth / ?
City Enchantment
Magically erect the Stone version of City Wall for target city.
Water Walking
Water / Augmentation
Unit Enchantment
Target unit gains Swimming.
Enchant Roads
? / ?
Instant
All roads in a 5x5 area of tiles become Enchanted Roads.
Flight
Air / Augmentation
Unit Enchantment
Target unit gains Flying.
Floating Island
Water? / Summoning
Instant
Summon a non-combat unit capable of transporting a full stack of units across the water.
Flying Fortress
Air / ?
City Enchantment
During battle at the enchanted city, non-Flying units may not enter or leave the city area, nor make Melee Attacks across its boundaries.
Guardian Wind
Air / Protection
Unit Enchantment
Target unit gains Missile Immunity.
Haste
Air / Augmentation
Unit Enchantment
Target unit gains double movement and may make 2 attacks in combat.
(That's the MoM version. I'm assuming D20 has a definition for Haste.)
Invisibility
Air / Augmentation
Unit Enchantment
Target unit gains Invisibility.
Resit Magic
? / Protection
Unit Enchantment
Target unit gains +X to all saves. Mana slider to determine bonus.
MoM spell was Spell Ward... I propose 6 versions...
Life Ward / Death Ward / etc...
<Opposite Element> / Protection
City Enchantment
Summoned units of named Element cannot enter target city.
Stasis
? / ?
Instant
All units in target enemy stack must make a ??? save at -3 or lose their movement until they make the save.
Wind Walking
Air / Augmentation
Target unit gains Flying and can move at at least 3. This unit can bring any stacked units with it. (More powerful version of Flight.)
Call the Void
Fire? / Destruction
Instant
Target enemy city (units and buildings) and surrounding tiles take massive damage.
Chaos Channels
? / Augmentation
Target unit receives a random augmentation. (Flying / Fire Breath / Defense). Warps the target into a magical unit and has no upkeep.
Chaos Rift
Fire? / Destruction
City Enchantment
Target enemy city take damage each turn. (Buildings and units)
Eldritch Weapon
? / Augmentation
Unit Enchantment
Target unit's weapons are enchanted so they count as magic weapons. Reduces the effectiveness of target-enemy armor by 10%.
Fire Storm
Fire / Destruction
Instant
Each figure in target enemy stack is immolated by strong fire damage.
Immolation
Fire / Augmentation
Unit Enchantment
Target unit gains a touch attack delivering weak fire damage to each figure in the enemy unit.
Wall of Fire
Fire / ?
City Enchantment
On the battlefield target city will be surrounded by fire and any unit crossing the wall will have all figures hit by medium strength fire damage.