Clock Tower Prison (UP02-EN041) - Ultimate Tournament Pack 2 Limited

Once per turn, during your opponent's Standby Phase: Place 1 Clock Counter on this card. While this card has 4 or more Clock Counters, you take no battle damage. If this card with 4 or more Clock Counters is destroyed and sent to the GY: Special Summon 1 "Destiny HERO - Dreadmaster" from your hand or Deck.