CommanderLegacyVintage
Result
Creatures without islandwalk cannot attack
Gravity Sphere causes all creatures to lose flying.
Stormtide Leviathan prevents creatures from attacking unless they have flying and/or islandwalk. Since no creatures will have flying, only creatures with islandwalk can attack.
Component Cards
How It Works
1
Gravity Sphere causes all creatures to lose flying.
Stormtide Leviathan prevents creatures from attacking unless they have flying and/or islandwalk
2
Since no creatures will have flying, only creatures with islandwalk can attack.