Breaking and Entering (Plot) の能力は、プレイヤー全員が使用できます。
"Put into play" なので、Gold Cost 等を支払う必要はありません。"House X only" のカードでも問題ありません。
Breaking and Entering
Type: Plot / House: Neutral
Inc: 3 / Init: 4 / Claim: 2
Any attachment or location card that would be discarded from any player's hand as part of the claim of an [Intrigue] challenge may be put into play by the winner of the challenge, under his or her control.