Red Duston [CBLZ-EN044] Common Legendary Duelists You can only use each

You can only use each of these effects of "Nekroz of Decisive Armor" once per turn

You can only use this effect of "Gouki Riscorpio" once per turn

Set: Duel Terminal - Preview Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1800 When this card is destroyed by battle with an attacking monster your opponent controls and is sent to the Graveyard

the controller takes 300 points of damage

Red Duston [CBLZ-EN044] Common Legendary Duelists You can only use eachSet: Cosmo Blazer Card type: Effect Monster Rarity: Common Attack: 0 Defense: 1000 Cannot be used as a Fusion, Synchro, or Xyz Material for a Summon. While this card is face up on the field, it cannot be Tributed. When this card on the field is destroyed: The controller takes 500 damage. You can only control 1 face up "Red Duston".