Do you get issued a new green dot card or it will be the one from last year?
No, you will need a new Turbo Visa Debit card for your tax refund
See this TurboTax support FAQ - https://ttlc.intuit.com/community/refunds/help/i-already-have-a-reloadable-turbo-prepaid-visa-card-can-i-put-my-refund-on-it/01/27307