First printed in Legends (1994)
Gravity Sphere 
World Enchantment
All creatures lose flying.
Combos
8 combos from Commander Spellbook, the most popular first.
- Creatures can't attack, Lock: Gravity Sphere + Moat
- You can't be attacked, Lock: Form of the Dragon + Gravity Sphere
- Most creatures can't attack you, You do not draw cards during your draw steps…: Gravity Sphere + Island Sanctuary
- Creatures can't attack, Lock: Gravity Sphere + Magus of the Moat
- Creatures without islandwalk cannot attack: Gravity Sphere + Stormtide Leviathan
- Infinite death triggers, Infinite creature ETB…: Altar of Dementia + Felidar Guardian + Gravity Sphere + Luminous Broodmoth
- Infinite colorless mana, Infinite death triggers…: Ashnod's Altar + Felidar Guardian + Gravity Sphere + Luminous Broodmoth
- Infinite colored mana, Infinite death triggers…: Felidar Guardian + Gravity Sphere + Luminous Broodmoth + Phyrexian Altar
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Not legal
- Legacy Legal
- Vintage Legal
- Pauper Not legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Not legal
- Old School 93/94 Legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Not legal
- PreDH Legal
- Tiny Leaders Legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal