Celtic Guardian + Hinotama Soul → Flame Swordsman

Celtic Guardian + Kagemusha of the Blue Flame → Flame Swordsman

Celtic Guardian + Flame Ghost → Armored Zombie

Celtic Guardian + Masked Sorcerer → Dark Elf

Celtic Guardian + Trap Master → Dark Elf

Celtic Guardian + Wood Remains → Armored Zombie

Celtic Guardian + Wood Clown → Dark Elf

Celtic Guardian + Dark Titan of Terror → Dark Elf

Celtic Guardian + Beautiful Headhuntress → Dark Elf

Celtic Guardian + Guardian of the Labyrinth → Dark Elf

Celtic Guardian + Vishwar Randi → Dark Elf

Celtic Guardian + Dark Assailant → Armored Zombie