Junk Synchron [SDSE-EN004] Common Dimension of Chaos Must be Ritual Summoned and

Must be Ritual Summoned and not special Summoned by other ways

You can only activate 1 "One-Time Passcode" per turn

you can Special Summon this card from your hand

Set: Star Pack - Battle Royal Card type: Effect Monster Rarity: Starfoil Rare Attack: 400 Defense: 800 If you control a "Fluffal" monster

also they cannot Special Summon monsters from the Graveyard

Junk Synchron [SDSE-EN004] Common Dimension of Chaos Must be Ritual Summoned andSet: Structure Deck: Synchron Extreme Card type: Tuner Effect Monster Rarity: Common Attack: 1300 Defense: 500 When this card is Normal Summoned: You can target 1 Level 2 or lower monster in your Graveyard; Special Summon that target in Defense Position, but its effects are negated.