Junk Sleep [ROTD-JP080]
Mechanical cicadas are extremely noisy! I can’t sleep!
You can use each effect among the (1)st and (2)nd effects with this card’s name only once per turn.
(1) 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.
(2) During the End Phase: You can change all monsters you control to face-down Defense Position.