Select The Animator
It is the animator with the controller called "Rank Container", which is located at the main Game Object with the Ranks Animation Controller script attached.
Create The Clip
You can check the other animations for reference. You should be able to modify the Root, Icon, Border, Inside, and Wings game objects in your animation clip without issues.
Create Trigger
Add 1 to the last number and add it as a trigger in the Animator window.
Set it to transition from any state
Set the trigger as a condition for the transition
Select the reference tab and increase the animation count
If the reference tab is missing, select the settings tab and turn on the Reference Tab