Winged Dragon #1 + Guardian of the Sea → Spike Seadra

Winged Dragon #1 + Aqua Snake → Spike Seadra

Winged Dragon #1 + 30,000-Year White Turtle → Spike Seadra

Winged Dragon #1 + Kappa Avenger → Spike Seadra

Winged Dragon #1 + Kanikabuto → Spike Seadra

Winged Dragon #1 + Zarigun → Spike Seadra

Winged Dragon #1 + Destroyer Golem → Stone D.

Winged Dragon #1 + Barrel Rock → Stone D.

Winged Dragon #1 + Minomushi Warrior → Stone D.

Winged Dragon #1 + Stone Ghost → Stone D.

Winged Dragon #1 + Kaminari Attack → Twin-headed Thunder Dragon

Winged Dragon #1 + Tripwire Beast → Thunder Dragon