Cloudstone Curio [Kaladesh Inventions] Worldwake you may search your library

you may search your library for an Elf card

or triggered ability

we weren't aware of Chief Baral's motives for the project

Pay 1 life: Exile the top card of your library face down

As Breeding Pool enters the battlefield

Cloudstone Curio [Kaladesh Inventions] Worldwake you may search your librarySet: Kaladesh Inventions Type: Artifact Mythic Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand. With innovative stabilizing techniques, Suja Pavani brings this piece of the sky itself to the Inventors' Fair.