Can be used if your Life Points are at 2000 or below. Play up to 2 'Proto-Cyber Dragon' in Attack Position from outside your Deck. If your Life Points are at 1000 or below, you can play up to 3 'Proto-Cyber Dragon' in Attack Position from outside of your Deck. 'Proto-Cyber Dragon' played with this Skill cannot be Tributed, and while they are face-up on the field, you cannot Special Summon except for Fusion Summoning, nor attack except with Fusion Monsters. This Skill can only be used once per Duel.