Mammoth Graveyard + Mech Mole Zombie → Great Mammoth of Goldfine

Mammoth Graveyard + Petit Dragon → Koumori Dragon

Mammoth Graveyard + Phantom Ghost → Great Mammoth of Goldfine

Mammoth Graveyard + Flame Ghost → Great Mammoth of Goldfine

Mammoth Graveyard + Wood Remains → Great Mammoth of Goldfine

Mammoth Graveyard + Dark Assailant → Great Mammoth of Goldfine

Mammoth Graveyard + Ground Attacker Bugroth → Cyber Saurus

Mammoth Graveyard + Protector of the Throne → Invader of the Throne

Mammoth Graveyard + Holograh → Cyber Saurus

Mammoth Graveyard + Gatekeeper → Cyber Saurus

Mammoth Graveyard + One-eyed Shield Dragon → Koumori Dragon

Mammoth Graveyard + Cyber Soldier of Darkworld → Cyber Saurus