Celtic Guardian + Dharma Cannon → Cyber Soldier

Celtic Guardian + Skelgon → Sword Arm of Dragon

Celtic Guardian + Bone Mouse → Armored Zombie

Celtic Guardian + Lava Battleguard → Dark Elf

Celtic Guardian + Tyhone #2 → Flame Swordsman

Celtic Guardian + The Wandering Doomed → Armored Zombie

Celtic Guardian + Steel Ogre Grotto #1 → Cyber Soldier

Celtic Guardian + Lesser Dragon → Sword Arm of Dragon

Celtic Guardian + Wretched Ghost of the Attic → Dark Elf

Celtic Guardian + Witch of the Black Forest → Dark Elf

Celtic Guardian + Leo Wizard → Dark Elf

Celtic Guardian + Patrol Robo → Cyber Soldier