Reptilianne Lamia
If this card is in your hand and all monsters you control are face-up Reptile monsters (min. 1): You can target 1 face-up monster your opponent controls; change its ATK to 0, and if you do, Special Summon this card, then take damage equal to that monster's original ATK. If this card is sent to the GY as Synchro Material: You can target up to 2 face-up monsters on the field; change their ATK to 0. You can only use 1 "Reptilianne Lamia" effect per turn, and only once that turn.