Mammoth Graveyard + Magical Ghost → Great Mammoth of Goldfine

Mammoth Graveyard + Cannon Soldier → Cyber Saurus

Mammoth Graveyard + Guardian of the Throne Room → Cyber Saurus

Mammoth Graveyard + Brave Scizzar → Cyber Saurus

Mammoth Graveyard + Corroding Shark → Great Mammoth of Goldfine

Mammoth Graveyard + Dharma Cannon → Cyber Saurus

Mammoth Graveyard + Skelgon → Great Mammoth of Goldfine

Mammoth Graveyard + Bone Mouse → Great Mammoth of Goldfine

Mammoth Graveyard + The Wandering Doomed → Great Mammoth of Goldfine

Mammoth Graveyard + Steel Ogre Grotto #1 → Cyber Saurus

Mammoth Graveyard + Lesser Dragon → Koumori Dragon

Mammoth Graveyard + Patrol Robo → Cyber Saurus