What would you do?
Judges, feel free to discuss this scenario on Judge Apps!
[expand title=Answer]Under the new IPG, it is Drawing Extra Cards. The remedy includes only cards that were looked at while resolving the spell. So Nick will show 4 cards to Anna, and she will choose which one to shuffle back into unknown portion of Nick’s library. Be attentive to account for known cards in the library!
Nick will also receive a Warning.
If you are interested in philosophy behind this part of DEC, you can read this recent article by Toby Elliott (slightly reworded IPG text included): http://blogs.magicjudges.org/telliott/2015/10/14/tweaking-the-new-dec-rules/[/expand]