OK friends you're given the power to amend the US constitution.
Can be as detailed or a simple as you want
it can simultaneously repeal a related clause
However the main restriction is that it is only allowed to deal with one subject. For example if your amendment deals with gun rights, you can't also make a clause for a term limits. If you have a balanced budget amendment you can't simultaneously eliminate the electoral college.
"No state or Congress shall make any law prohibiting marriage based on race, religion, gender, or sexual orientation. No religious institution shall be forced to consecrate any marriage."