Extox Hydra
WATER Reptile / Fusion / Effect
LV4 2000/2000
2+ monsters you control Special Summoned from the Extra Deck
(1) Monsters your opponent controls of the same type (Fusion/Synchro/Xyz/Pendulum/Link) as any of the materials used for this card’s Fusion Summon lose ATK equal to their own original ATK.
(2) When this card inflicts 1000 or more battle damage to your opponent: You can draw 1 card for every 1000 damage they took.

Source: Official Database