Board Thread:Questions and Answers/@comment-32210125-20170605152410/@comment-13712594-20170605153752

I think you mean the LR Goku card (Everlasting Legend Super Saiyan Goku)

If you reverse Dokkan him to his SSR state ( Furious Limit-Breaking Super Saiyan Goku ) you won't lose anything. It even says that in the discription.