Gem-Knight Master Dia

"Gem with facets of day and night. Gem tinged with lightning. Briliant emerald of good fortune. In a whirlpool of light combine to bring forth a new dazzling radiance! Fusion Summon! Appear! One who illuminates everything with its supreme radiance! Gem-Knight Master Dia!"

- Gem-Knight Master Dia's Summoning chant

Deck

 * Masumi Kōtsu