Gem-Knight Lady Lapis Lazuli

"Gem-Knight Lapis" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Lapis Lazuli(s)" once per turn. Once per turn: You can send 1 "Gem-Knight" monster from your Main Deck or Extra Deck to the Graveyard, and if you do, inflict 500 damage to your opponent for each Special Summoned monster on the field.

Rock EARTH Fusion Monster 5 fusion