Unending Nightmare [MACR-EN079] Secret Rare Psychic You can only use this

You can only use this effect of "Dual Assembwurm" once per turn

Set: Star Pack - Battle Royal Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 200 If this card is Normal Summoned

If this card is sent from the field to the GY: You can make all "Gouki" monsters you currently control gain 500 ATK until the end of this turn

Set: Legendary Collection Kaiba Card type: Normal Spell Rarity: Secret Rare Fusion Summon 1 Fusion Monster from your Extra Deck

With its increased power

Unending Nightmare [MACR-EN079] Secret Rare Psychic You can only use thisSet: Maximum Crisis Card type: Continuous Trap Rarity: Secret Rare You can pay 1000 LP, then target 1 face up Spell Trap Card on the field; destroy it. You can only activate this effect of "Unending Nightmare" once per Chain.