Usage patterns
ナイス、〈人〉!Nice one, [name]! (praising someone directly)
Nice one, Tanaka! That shot was amazing.
ナイスな〈物〉a nice/cool [thing] (adjectival use before a noun)
〈事〉はナイスだ[something] is nice/well-done (predicative use)
I think that decision was a good one.