Swords of Concealing Light [FET-EN042] Ultimate Rare Ritual/Effect Monster You can only use this

You can only use this effect of "Box of Friends" once per turn

Special Summon 1 Warrior-Type monster from either player's Graveyard

Send the remaining cards to the Graveyard

●If this card battles an opponent's monster

Swords of Concealing Light [FET-EN042] Ultimate Rare Ritual/Effect Monster You can only use thisSet: Flaming Eternity Card type: Continuous Spell Rarity: Ultimate Rare When you activate this card, change all monsters on your opponent's side of the field to face down Defense Position. As long as this card remains face up on the field, monsters on your opponent's side of the field cannot change their Battle Positions. Destroy this card during your 2nd Standby Phase after activation.