Windmill Genex (HA02-EN059) - Hidden Arsenal 2 Unlimited

Genex Controller + 1 or more non-Tuner WIND monsters // This card gains 300 ATK for each face-down Spell and Trap Card on the field. You can send 1 card from your hand to the Graveyard to destroy 1 face-down Spell or Trap Card on the field.