Monsturtle + The Statue of Easter Island → Boulder Tortoise

Monsturtle + Muka Muka → Boulder Tortoise

Monsturtle + Sand Stone → Boulder Tortoise

Monsturtle + Milus Radiant → Turtle Tiger

Monsturtle + Eldeen → 30,000-Year White Turtle

Monsturtle + Mega Thunderball → Bolt Escargot

Monsturtle + Niwatori → Turtle Bird

Monsturtle + Hane-Hane → Turtle Tiger

Monsturtle + Skelgon → Kairyu-shin

Monsturtle + Winged Dragon #2 → Turtle Bird

Monsturtle + Tyhone #2 → Kairyu-shin

Monsturtle + Pot the Trick → Boulder Tortoise