Malefic Paradox Gear

Your sideboard is considered in your hand, but
you can't cast anything from your sideboard.
Limited 3 (A deck can only contain up to
three cards named Malefic Paradox Gear.)
"The future you consider correct is incorrect,
and the future that you may first consider incorrect
is, in fact, correct. Even without my actions, the world
is riddled with contradictions."—Paradox