7 Bump In The Night Black is not the color most people associate with burn spells (something that is generally reserved for red)
Table of Contents show What Are Threaten Effects in MTG
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One possibility is to cast Apocalypse, a card that gets rid of everything, including your hand, leaving you only with Barren Glory, but that needs to be done on your upkeep, so there are options like Leyline of Anticipation or Emergence Zone to give these spells flash
However, the ability to choose both modes of Scour for Scrap makes this a 4-mana draw two, which is definitely within the range of playability
I am somewhat unsure about the abilities i gave him, but i think they fit the best