BitGo does not store your Keycard, so we cannot help you recover it. If you lose your Keycard but still remember your wallet password, then you should immediately create a new wallet and transfer all of your bitcoin from the old wallet into this new wallet. Make sure to print out and/or backup the Keycard on this new wallet, as it is vital for the security on your wallet, and will allow you to recover your wallet if you ever forget your wallet's password.
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