Celtic Guardian + Candle of Fate → Flame Swordsman

Celtic Guardian + Dissolverock → Flame Swordsman

Celtic Guardian + Angelwitch → Dark Elf

Celtic Guardian + Ancient Sorcerer → Dark Elf

Celtic Guardian + Unknown Warrior of Fiend → Dark Elf

Celtic Guardian + Sectarian of Secrets → Dark Elf

Celtic Guardian + Versago the Destroyer → Dark Elf

Celtic Guardian + Megirus Light → Dark Elf

Celtic Guardian + Mavelus → Flame Swordsman

Celtic Guardian + King Fog → Dark Elf

Celtic Guardian + Mystic Clown → Dark Elf

Celtic Guardian + Holograh → Cyber Soldier