Nitro Warrior [DP08-EN013] Rare Ritual/Spirit/Effect Monster and they cannot be destroyed

and they cannot be destroyed by your opponent's card effects

and destroy all other monsters with that name

Set: High-Speed Riders Card type: Normal Trap Rarity: Rare When an opponent's monster declares an attack: Target 1 "Speedroid" monster in your Graveyard

(You can select up to 1 monster at a time with this effect

You can only use this effect of "Degrade Buster" once per turn

Nitro Warrior [DP08-EN013] Rare Ritual/Spirit/Effect Monster and they cannot be destroyedSet: Duelist Pack 8: Yusei Fudo Card type: Synchro Effect Monster Rarity: Rare Attack: 2800 Defense: 1800 "Nitro Synchron" + 1 or more non Tuner monsters Once during each of your turns, if you activated a Spell Card, this card gains 1000 ATK during its next attack, for damage calculation only. Once per turn, if this attacking card destroys an opponent's monster by battle, you can change 1 face up Defense Position monster your opponent controls to