From a gameplay perspective, it's incredibly easy to get out, immensely oversized on the battlefield, and resilient to removal, since you can cast it from the graveyard
The combination of stats and ward makes this tricky to remove
A similar card to this is Mirri's Guile, which also provides the same effect to rearrange your library but misses the card draw potential
2 Moonshadow (Showcase Fracture Foil) $172.33 Aside from having an incredibly striking visual design, Moonshadow's offer of a potentially 7/7 creature for only a single mana has incredible potential in just about any format
There's also always the risk of not having enough follow-up to the Wire, or facing opponents who can cast their spells during upkeep, but often that is worth the risk
Notably, Korvold will benefit from any Magic card type being sacrificed, not just Treasures, so the deck can also use sacrifice-related cards like Sakura-Tribe Elder