"Yes, this is a tight enclosed space. Yes, there's not a lot of room to move. But a disciplined mind doesn't allow itself to be sidetracked by niggling psychological disorders like claustrophobia."
Plays in your core. When your unique personnel is facing a dilemma, you may discard a personnel with the same card title from hand to make him or her attributes +1 and gain one of the discarded personnel's skills until the end of that dilemma.
Card logging info: Logged by openCards team at Jan 1st, 2008.
"Mental Discipline" is a backward compatible card form the Second Edition expansion Energize - ST1E compatible (Copyright 2003 by Decipher).
See collectors infos for this card in the Second Edition section under the UCT-ID: ST2E 2 U 50.
Also see here for all trade lists with any card fom "Energize - ST1E compatible".