A lot of level 4 or lower monster already have more than 1600 attack, so you'll most likely need to increase Hydrogeddon's attack. The field Jurassic World helps increase its base attack to be at 1900, along with other Dinosaur monsters like Oxygeddon. Destroyersaurus can get the field spell from your deck, or just use Rex Raptor's character exclusive skill "Dinosaur Kingdom".
I activate the spell card bonding H20 by tributing 2 hydrogeddon and 1 oxygeddon it't simple science to created water
The water often appear serene, but sudden riptides swallow the earth whole!
Come forth,Water dragon!
Destroy opponents monster then Special summon one, OP if there is no spell Or trap guards