Quaking Mirror Force [BOSH-EN076] Ultra Rare Legendary Duelists (Quick Effect): You can discard

(Quick Effect): You can discard 1 Spell

Set: High-Speed Riders Card type: Continuous Trap Rarity: Rare Once per turn: You can banish 1 "PSY-Frame" monster from your hand or face-up from your side of the field

if you control no other monsters: You can Special Summon 1 "Noble Knight" monster from your Deck in Defense Position

You can only use this effect of "Emergeroid Call" once per turn

•During either player's turn: You can target 1 face-down monster on the field

Quaking Mirror Force [BOSH-EN076] Ultra Rare Legendary Duelists (Quick Effect): You can discardSet: Breakers of Shadow Card type: Normal Trap Rarity: Ultra Rare When an opponent's monster declares an attack: Change all Attack Position monsters your opponent controls to face down Defense Position. Monsters changed to face down Defense Position by this effect cannot change their battle positions.