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What happens when I want to Focus 2 but I have last card in my deck?

Utter calamity! Look at the top card, set it aside, reshuffle your scrap pile into your deck, look at the new top card, then decide what to do with the two cards you’ve looked at. Now, look at me. I am the captain now.
Source: Wizards of the Coast (2019-11-09)    【Link to Ruling】
Tags: Focus