Gouki Cage Match (DUPO-EN024) - Duel Power 1st Edition

When this card is activated: Place 3 counters on this card. If your "Gouki" monster destroys an opponent's monster by battle: Remove 1 counter from this card. Once per turn, at the end of the Battle Phase, if the last of these counters has been removed this way: You can Special Summon as many "Gouki" monsters as possible with different names from your hand and/or Deck, then place 3 counters on this card.