If you want to only show cards you own, press Search, then the Owned Only filter
Because the permanent is on the battlefield both before and after it's turned face up, turning a permanent face up doesn't cause any enters-the-battlefield abilities to trigger
It was planned as a small subset of cards similar to Aftermath , but that set flopped so hard they repurposed these as an add-on to Outlaws of Thunder Junction
Midrange decks can ignore it longer but the free value adds up, it is still a high priority kill target for them, the same with the aggressive decks
Its adventure is great, especially in green decks, and the creatures abilities are more than decent
Imagine you declare Geist of Saint Traft and Flamerush Rider attackers