It is a mechanism similar to the later Hwan Chang -ryong Fantaz Mei, but the draw efficiency is overwhelming compared to the Fantasy Mei, which only replaces it
Set Number 389 Language Legal Formats Brawl, Commander, Competitive Brawl, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Historic, Pauper, Standard Rulings (9/9/2022) Temporary Lockdown's ability is a single ability that creates two one-shot effects: one that exiles the permanents when the ability resolves, and another that returns the exiled cards to the battlefield immediately after Temporary Lockdown leaves the battlefield
151 is a smaller set than Crown Zenith, with far fewer special art cards
Just having an Overrun or two available is pretty strong, and early in the game, you can defend yourself from spot removal thanks to the regenerate ability