[ Rock / Fusion / Effect ]"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.
ATK/ 2400
DEF/ 1000