Against slower decks, many of those same cards put pressure on your opponent and surgically deprive them of their bombs, especially backed up by countermagic like Logic Knot and even Traumatic Visions
Not messed up enough to go into Pioneer green devotion, as that deck is already stuffed with messed up nonsense
Thanks to delve, it often comes down much cheaper than its 7-mana tag, and it grows fast with every instant and sorcery you exile or play
If Jim gets banished in the challenge you still get to play a Location for free, and if that Location was The Library, you'll also get to draw a card
Currency Converter Currency Converter does its best work alongside commanders like Raffine, Scheming Seer and Flubs, the Fool that encourage you to discard a bunch of cards