Serpent Marauder + Abyss Flower → Snakeyashi

Serpent Marauder + Living Vase → Snakeyashi

Serpent Marauder + Tentacle Plant → Snakeyashi

Gatekeeper + One-eyed Shield Dragon → Metal Dragon

Gatekeeper + Wicked Dragon with the Ersatz Head → Metal Dragon

Gatekeeper + Takriminos → Metal Dragon

Gatekeeper + Yamadron → Metal Dragon

Gatekeeper + Dancing Elf → Dark Elf

Gatekeeper + Thunder Dragon → Metal Dragon

Gatekeeper + Ancient Elf → Dark Elf

Gatekeeper + White Dolphin → Metal Fish

Gatekeeper + Spike Seadra → Metal Dragon