Serpent Night Dragon [STP2-EN001] Ultra Rare 208 you can Synchro Summon using

you can Synchro Summon using this face-up card you control as a Synchro Material Monster

You can only activate 1 "The Eye of Timaeus" per turn

if this card attacked or was attacked: Target 1 card your opponent controls

Set: Sun & Moon: Cosmic Eclipse Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

Set: Shonen Jump Magazine Promos Card type: Normal Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 Requires 3 Tributes to Normal Summon (cannot be Normal Set)

Serpent Night Dragon [STP2-EN001] Ultra Rare 208 you can Synchro Summon usingSet: Speed Duel: Tournament Pack 2 Card type: Normal Monster Rarity: Ultra Rare Attack: 2350 Defense: 2400