Tournament rule 703.4.b.4

If restoring the deck to its correct state is not possible, the penalty is upgraded to [Game Loss].

• 703.4.b.4.a When applying a remedy for a missing Chosen Champion is applicable, if it occurs at any point after opening hands have…
• 703.4.b.4.b Example: A player has two total copies of Traveling Merchant on their registered decklist, one in their Main Deck and…

Official Tournament Rules