Rescuing Chwinga 1W
Creature - Spirit Elemental (Uncommon)
Flash Natural Shelter — When Rescuing Chwinga enters the battlefield, you may return another permanent you control to its owner's hand. Fortunately for lost travelers, the chwinga is often more curious than it is shy.
Mind Stone flavor text: I don't study it to try to find answers; I study it because exploring the unknown is its own reward."
—Misvaad, Candlekeep librarian
More ETB/LTB-matters things, now in not-so-timid chwinga form. It got very, very interested in whatever permanent just got sent back.