Godzilla, King of Monsters

When Godzilla, King of Monsters enters the battlefield, destroy all other creatures. Has
Menace, Doublestrike, Hexproof, Trample, Islandwalk, Swampwalk, Indestructible, Reach,
and Vigilance
Can only be destroyed by Oxygen Destroyer or
other Ancient Creatures.
It's impossible! Godzilla absorbed massive amounts of atomic radiation and yet it still survived!