The following rulings apply to all Gemini monsters: Mentions in Other Rulings Debris Dragon: If “Debris Dragon” Special Summons a Gemini Monster, the Gemini Monster’s effect that makes it a Normal Monster is negated, so the Gemini Monster is considered an Effect Monster. read more
During either player's turn: You can discard this card to target 1 Normal Gemini Monster, except for "Illustrious Gemini Elf" you control; it gains its effect and is treated as an Effect Monster. This effect of "Illustrious Gemini Elf" can only be activated once per turn. read more