Were you playing against AI5? You may have spun two of the unupped version and one of the upped, or two of the upped and one of the unupped version of the card.
That unfortunately doesn't give you the card -- you must spin the same version of the card 3 times for it to count as a win.
(Side note: cards that you win don't appear automatically in your deck -- they will appear in your card storage, though)