Prank-Kids Lampsies (HISU-EN015) [Hidden Summoners]

If this card is sent to the GY as material for the Fusion or Link Summon of a "Prank-Kids" monster: You can inflict 500 damage to your opponent, then you can Special Summon 1 "Prank-Kids" monster from your hand or Deck in Defense Position, except "Prank-Kids Lampsies". You can only use this effect of "Prank-Kids Lampsies" once per turn.