|Text||· Enemy missiles can't move or attack. · If opponent after draw phase has more than 1 card in hand, that player discards a card.|
Disturbing Sensor is a spaceship but does not exist to attack but to disturb the hell out of the opponent.
Playing Discovery when you have Disturbing Sensor on the table and forcing the opponent to discard a total of 3 cards after drawing can really affect the game in your favor.
Print of https://thespacewar.com/cards/disturbing-sensor