Pendulum Scale 7 Once per turn, during your Main Phase, if this card was activated this turn: You can choose 1 unused Monster Zone or Spell & Trap Zone; while this card is in the Pendulum Zone, that chosen Zone cannot be used.
If this card is Normal or Special Summoned: You can choose 1 unused Monster Zone or Spell & Trap Zone; while this card is face-up in the Monster Zone, that Zone cannot be used.