Assembly-Worker This is a version of a creature players had only imagined until Mishra's Factory was reprinted in Time Spiral Remastered for Urza's Factory
Summary Delve can enhance spells, like Murderous Cut, by reducing mana cost when exiling cards from the graveyard
Ojutai Exemplars Ojutai Exemplars is a tempo card that suffers from the Doom Blade syndrome or the 4-drop without an ETB syndrome
That said, you do have the potential to cast this spell for as cheap as just three blue mana, which is cheaper than most extra turn spells, and those generally have a downside
Commander Commander (CTRL to add secondary) Blink Disorder in the Court Exile X target creatures, then investigate X times
As the name suggests, the Secret Lair Bundle from Reality Fracture will be available on the Secret Lair website, but it is not yet confirmed whether it will be a limited-release or print-to-demand offering