Mammoth Graveyard + Mechanical Snail → Cyber Saurus

Mammoth Graveyard + Ghoul with an Appetite → Great Mammoth of Goldfine

Mammoth Graveyard + Fairy Dragon → Koumori Dragon

Mammoth Graveyard + Disk Magician → Cyber Saurus

Mammoth Graveyard + Machine Attacker → Cyber Saurus

Mammoth Graveyard + Dokurorider → Great Mammoth of Goldfine

Great White + Wolf → Marine Beast

Great White + Silver Fang → Marine Beast

Great White + Mystic Horseman → Marine Beast

Great White + Dark Gray → Marine Beast

Great White + Sleeping Lion → Marine Beast

Great White + Larvas → Marine Beast