Citi has switched all non co-brand cards in Singapore to the Mastercard network. Normally that wouldn't be a big deal, but it does matter for the Citi Rewards Visa...
New-to-bank customers who spend $7.5K in the first 3 months of approval can get up to 30,000 miles. Plus, get $300 NTUC/Taka/Grab vouchers if you sign up via SingSaver.