If your opponent controls 2 or more monsters and you control no monsters, you can Special Summon this card (from your hand). If this card is Normal or Special Summoned: You can target 1 'Superheavy Samurai' monster in your Graveyard, except 'Superheavy Samurai Ten B-N'; Special Summon that target in face-up Defense Position. You can only use this effect of 'Superheavy Samurai Ten B-N' once per turn.
Atom 1.0
