Fortunately, Skysovereign offers some indirect ways to mitigate multiples
If you have a $300 card or even a $30, you dont want to risk bending it right
Artifact Ramp (CTRL to add secondary) Removal/Interaction Kitesail Larcenist Flying, ward When this creature enters, for each player, choose up to one other target artifact or creature that player controls
Gameplay-wise, however, Azurite Sea is as tough to pin down as Set 5
Empyrean EagleEmpyrean Eagle While not technically a Bird lord due to the fact that it only affects creatures with flying which is no longer all Birds, thanks to the debut of Chocobos this three-mana 2/2 flyer is still a top-flight (get it?) synergy piece alongside most of the other cards on this list, as boosting the power and toughness of all of your flying creatures by +1/+1 is a useful, impactful boon