Stegocyber (BP03-EN114) - Battle Pack 3: Monster League 1st Edition

During your opponent's turn, at damage calculation, if this card is in your Graveyard: You can pay 1000 LP; Special Summon it, and if you do, you take no battle damage from that battle, and banish this card when it leaves the field (this is a Quick Effect). You can only use this effect of "Stegocyber" once per turn.