Sea of Japan

{t}{w} {3}{t}Sacrifice Sea of Japan and all your creatures gain menace until end of turn
The Japanese Navy in WWII, in December 1941, was the third most powerful navy in the world, and the naval air service was one of the most potent air forces in the world. During the first six months of the war, the Imperial Japanese Navy enjoyed spectacular success inflicting heavy defeats on Allied forces, being undefeated in every battle.