Yu-Gi-Oh! LiveTwin Ki-sikil (Quarter Century Secret Rare) - Quarter Century Stampede

Each time an opponent's monster declares an attack, you gain 500 LP. If this card is Normal or Special Summoned and you control no other monsters: You can Special Summon 1 "Lil-la" monster from your hand or Deck. You can only use this effect of "LiveTwin Ki-sikil" once per turn.