Stygian Sergeants (WC10-EN003) - Yu-Gi-Oh! 5D's Reverse of Arcadia Promo Limited

1 Fiend-Type Tuner + 1 or more non-Tuner monsters When this card destroys an opponent's monster by battle and sends it to the Graveyard, it can gain 800 ATK (until the end of the Battle Phase) and attack once again in a row.