Subterror Fiendess

Subterror Fiendess is a level 1, earth-type spellcaster monster. She is the humanoid version of Subterror Behemoth Fiendess, as indicated by their similar wings, hair color, and glowing green symbols on their bodies, and the TCG name of Subterror Behemoth Fiendess. Her card effect is: "During either player's turn, when your opponent activates a card or effect: You can send this card from your hand or field to the Graveyard, then target 1 'Subterror' monster you control; negate the activation, then change the targeted monster to face-down Defense Position. You can target 1 face-up monster you control; change it to face-down Defense Position, and if you do, Special Summon 1 'Subterror' monster from your hand or Graveyard, in face-up or face-down Defense Position. You can only use each effect of 'Subterror Fiendess' once per turn."