Light and Dark: Reptile Type
You can use this Skill's second effect once per Duel.
1: You cannot Special Summon (excluding Special Summons from the Extra Deck) any monsters except Reptile Type monsters.
2: Shuffle 1 LIGHT or DARK Reptile Type monster from your hand to your Deck, and then add 1 LIGHT or DARK Reptile Type monster with the same Level and a different Attribute from your Deck to your hand.
Other Source
Lifetime Mission