Everything that Shaxx offers up to and including the ascendant shards need to be redeemed to reset your Valor. Make sure you have room to collect the items, otherwise they will be grayed out. Hovering over them will show a no space message for those items you have unlocked but can't collect due to having too many.
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@Bungie, it would be helpful if you added documentation or a message for this to the Shaxx screen.