Rookie Warrior Lady

When an attack is declared involving your other Warrior monster and an opponent's face-up monster: You can send this card from your hand or field to the GY; that opponent's monster loses ATK equal to its original ATK, until the end of this turn. You can banish this card from your GY, then target 1 EARTH Warrior monster in your GY; add it to your hand. You can only use each effect of "Rookie Warrior Lady" once per turn.