The UOB Reserve Card feels somewhat underpowered for the elite segment it occupies, though it's likely that the average cardholder won't even notice it.
With cuts to lounge access and other benefits, the UOB Visa Infinite Metal Card feels far less compelling these days — unless perhaps you need to pay school fees.
The Citi PremierMiles Card's welcome offer, transfer partner variety, lounge access and non-expiring miles make it a useful general spending card— though you might not actually want to spend a lot on it!