If your opponent Normal or Special Summons a monster(s): You can change all face-down Defense Position monsters you control to face-up Attack Position. During the End Phase: You can change all monsters you control to face-down Defense Position. You can only use each effect of "Junk Sleep" once per turn.
- Number:MP21-EN156
- Rarity:Common
- Attribute Monster Type/Card Type:TRAP /Continuous Trap