So, there are limits, hence probably why it was printed in a Standard-legal set
In early prerelease listings as of July 19, it is commanding around $3,500, with Lilo & Stitch not far behind on its earliest sales in the low- to mid-thousands
It had some minor other notes to play, such as being part of the theoretical Extended Yawgmoth's Bargain deck I was asked to build to show how often it could kill on turn one, and providing the method of execution in some other cases, but Cadaverous Bloom is all about the Prosperous Bloom deck
Instants & Sorceries - 25
This shouldnt be confused with similar effects like land replay, returning lands from your graveyard directly to the battlefield, or generic Regrowth effects that return a permanent or card from your graveyard to your hand like Eternal Witness