Archetype of Imaginationutility$1.03It changes the evasion landscape by stripping flying from opposing creatures while giving your team flying, creating a similar board-state effect around combat keywords.
Dive DownprotectionBudget$0.16A blue protective trick that can be used to force through combat by neutralizing targeted interaction, though it is much narrower than Mystic Decree's global effect.
Aerial FormationutilityBudget$0.10A blue combat-focused trick that interacts with flying creatures and can help shape combat similarly to how Mystic Decree changes aerial combat patterns.
LevitationutilityBudget$0.25Another blue enchantment that dramatically changes combat involving flying creatures, though it grants flying instead of removing it.
Gravity WellutilityBudget$0.46It is the closest functional analogue in blue to modifying flying combat, repeatedly checking flying attackers and altering aerial combat math.
Rising Watersutility$1.90A blue enchantment that is similarly oppressive and board-shaping, though it attacks land use rather than creature evasion.
Dream TidesutilityBudget$0.36This enchantment is another blue global board modifier that hinders opposing creatures in a broad, persistent way.
Stormtide Leviathanutility$3.03It creates a combat environment where non-Islandwalk ground combat is heavily constrained, overlapping with Mystic Decree's islandwalk removal theme.