Ostinato [MP19-EN232] Common New Awakening Pre-Release Promos You can only use this

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

the ATK/DEF of any linked monster(s) you opponent currently controls become 0

Set: Absolute Powerforce Card type: Effect Monster Rarity: Ultra Rare Attack: 1000 Defense: 1500 While there is no face-up Field Spell

Destroy all Attack Position monster on your opponent's side of the field

negate the activation and destroy it

Ostinato [MP19-EN232] Common New Awakening Pre-Release Promos You can only use thisSet: 2019 Gold Sarcophagus Tin Mega Pack Card type: Normal Spell Rarity: Common If you control no monsters: Fusion Summon 1 "Melodious" Fusion Monster from your Extra Deck, using 2 monsters from your hand and or Deck as Fusion Material. During the End Phase of this turn, destroy the monster Fusion Summoned by this effect, and if you do, if all the Fusion Materials that were used for its Fusion Summon are in your GY, you can Special Summon all of them.