On the email it says this:
Virgin:
East Coast:
Virgin:
Q: What happens if I don't have the card I booked with/or a new card?
A: You will need to phone our After Sales Support team before arriving at the station on 0844 556 5650 quoting your booking reference.
East Coast:
To collect your tickets, you must have both the credit/debit card used to purchase the tickets and your ticket booking reference. If you do not have them, a new ticket at the full fare will have to be bought to travel. If your payment card has been replaced since you made your booking, please contact Web Support on 08457 225 111 before starting your journey.