Superheavy Samurai Ninja Sarutobi (Rare)

1 Machine-Type Tuner + 1 or more non-Tuner "Superheavy Samurai" monsters This card can attack while in face-up Defense Position. If it does, apply its DEF for damage calculation. Once per turn, during either player's turn, if you have no Spell/Trap Cards in your Graveyard: You can target 1 Spell/Trap Card on the field, destroy it, and if you do, inflict 500 damage to your opponent.