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What happens if I play Leap of Faith with only 1 card left in my deck?

First, you’ll scrap that card. Then you’ll shuffle all the other cards in your scrap pile into your deck. Then you may play the card you scrapped. If you don’t, it will stay in your scrap pile. Then scrap the new top card of your deck and you may play it.
Source: Wizards of the Coast (2019-03-01)    【Link to Ruling】
Tags: Leap of Faith