Extox Hydra

2+ monsters you control Special Summoned from the Extra Deck Monsters your opponent controls with the same card type (Fusion, Synchro, Xyz, Pendulum, or Link) as the Fusion Materials used for this card's Summon lose ATK equal to their own original ATK. When this card inflicts 1000 or more battle damage to your opponent: You can draw 1 card for every 1000 damage they took.

Reptile WATER Fusion Monster 4 fusion