Stone D. + Goddess of Whim → Mystical Sand

Stone D. + Water Magician → Mystical Sand

Stone D. + Ice Water → Mystical Sand

Stone D. + Waterdragon Fairy → Mystical Sand

Stone D. + Ancient Elf → Mystical Sand

Stone D. + Beautiful Beast Trainer → Mystical Sand

Stone D. + Water Girl → Mystical Sand

Stone D. + Kaminari Attack → Twin-headed Thunder Dragon

Stone D. + Tripwire Beast → Twin-headed Thunder Dragon

Stone D. + Bolt Escargot → Twin-headed Thunder Dragon

Stone D. + Bolt Penguin → Twin-headed Thunder Dragon

Stone D. + The Immortal of Thunder → Twin-headed Thunder Dragon