Sometimes you might be bored creating similar/same claim rules accross your enviornments . Below method will quickly help you export your claim rules and apply to different relying party trust
Step1 : Export to a text file
(Get-AdfsRelyingPartyTrust -Name "Source Relying Part Trust Name").IssuanceTransformRules | Out-File "C:\path.txt"
Step 2 : Apply /Set your claim rules from text file you exported in last step
Set-AdfsRelyingPartyTrust -TargetName "Destination Relying Party Trust" -IssuanceTransformRulesFile "C:\path.txt"