The Burnt World of Athas
Rituals take an hour + spell time to cast, not 10 minutes.
PHB Spell List Changes:
Call Lightning: Creates dry lightning, not storm clouds.
Conjure Celestial is removed.
Control Weather is removed.
Create food and water: Level 4 spell. It creates 10 pounds of food and 8 gallons of water.
Create / destroy water: Level 2 spell. It creates 2 gallons of water and an additional 2 for each level above 2.
Creation: Pulls from the Gray. Cannot be used to create edible vegetable matter or metal.
Fabricate: Cannot be used to shape metal.
Fog cloud: In arid conditions can only create a "dust storm." Functions as normal.
Gate: Can only reach the Gray and the Black.
Goodberry: Level 2. Creates 2 berries. Expire after 8 hours.
Heroe's Feast: Level 7. Affects up to 6 creatures.
Ice Storm: The magic ice does not melt and dissipates after 6 seconds.
Planar ally is removed.
Plant growth is removed.
Purify food and drink cannot make non-potable water potable.
Raise dead is removed.
Reincarnate is removed.
Resurrection is removed.
Revivify is removed.
Sleet storm: creates a sand or dust or rock storm with identical effects.
Tsunami: creates a wall of sand or dust or rock with identical effects.
Wall of ice : Magic ice doesn't melt and dissipates.
Wish: If the first alternate ability is used to create water it creates 100 gallons of water.