Locations are similar to Items in that they stay in play when played
An effect may refer to a card, spell, or permanent that "has an Adventure." This refers to a card, spell, or permanent that has an adventurer card's set of alternative characteristics, even if they're not being used and even if that card was never cast as an Adventure
Out in the wild, things are far, far worse than that
He stands out as the first card in the game to boast 10 Strength and 10 Willpower, combined with the ability to secure a staggering 4 lore points in a single quest
"...fans can expect to see some of their favorite characters in the 99 of each deck..." Last but not least, Commander might be all about your leader, but RPGs are often about your party as a whole, and WOTC wont leave the supporting casts of these games hanging