Cannon Soldier + Amazon of the Seas → Metal Fish

Cannon Soldier + Armored Rat → Dice Armadillo

Cannon Soldier + Queen's Double → Cyber Soldier

Cannon Soldier + Invader of the Throne → Cyber Soldier

Cannon Soldier + Mystical Sheep #1 → Dice Armadillo

Cannon Soldier + Hibikime → Cyber Soldier

Cannon Soldier + Meteor Dragon → Metal Dragon

Guardian of the Throne Room + Skelgon → Metal Dragon

Guardian of the Throne Room + Tyhone #2 → Metal Dragon

Guardian of the Throne Room + Lesser Dragon → Metal Dragon

Guardian of the Throne Room + Anthrosaurus → Cyber Saurus

Guardian of the Throne Room + Trakadon → Cyber Saurus