It can't be the target of Sorceress's Schemes, which reads in part "Return target instant or sorcery card from your graveyard or exiled card with flashback you own to your hand." When playing a card as an Adventure, use the alternative characteristics and ignore all of the card's normal characteristics
The minus turning our creatures into tutors/extra value is exactly what you want vs the blue piles/loam decks
Today, there's a fantastic quick start guide available at magic.wizards.com/en/magic-gameplay, and it's easily a better introduction than the Portal rulebooks
Since then, Wizards of the Coast incorporated numbered cards into The Brothers War, where you have the opportunity to open a foil numbered card in Collector Boosters
A lot of people are just going to avoid killing a Phoenix if at all possible since it will just come back
Because you can use this common card to negate many more powerful cards a great strategy when you are on a budget