Monsters cannot target Level 6 or lower "Harpie" monsters for attacks. You can only use each of the following effects of "Harpie's Pet Dragon - Fearsome Fire Blast" once per turn. If you control a Level 6 or lower WIND monster: You can Special Summon this card from your hand in Defense Position. If this card is sent from the field to the GY: You can send 1 WIND Winged Beast monster from your Deck to the GY.