Before ReadingAssuming I don't suspect that Andy was trying to cheat by hoping that Nick would not notice he does not get a card for the Haruspex dying, I would rule this a Game Play Error - Drawing Extra cards. For this, Andy would get a warning and Nick would not be issued a penalty as he never gave the okay for the card draw and called me over before any other game actions were taken.
Now, on to the fix. The identity of the card is not known to Nick as Andy was not required to reveal the card before placing it on top of his library. So in accordance with the IPG, Andy should reveal his hand to Nick, Nick selects a card from Andy's hand and that card should be shuffled into Andy's library preserving the position of any cards Andy legally knew.
I had initially considered placing the card Nick selected back on top of Andy's library. However, this gives Nick free information he is not entitled to have. Additionally, the IPG fix does not seem to support doing so.
Originally posted by IPG §2.3:
Otherwise, the player reveals his or her hand and the opponent selects a number of cards equal to the excess. Those cards are shuffled into the random portion of the deck. A simple backup may be used if there have been additional parts of the instruction performed since the illegal card draw, such as discarding or returning card to the top of the
library
The third sentence discusses doing a simple backup. However, it is in reference to actions taken
after the illegal card draw. In our case, no additional actions were taken. Andy drew without waiting for Nick to give the okay, Nick read the card and then immediately called a judge.
Ruling: GPE-DEC with a warning for Andy and no penalty for Nick. Andy reveals his hand to Nick who then selects a card that is shuffled back into Andy's library.
After ReadingOnly one other reply so far with the same ruling and fix as mine.