TCG Rulings

  • The effect to send 1 random card in your opponent’s hand to the Graveyard starts a Chain.[1]

OCG Rulings

  • The effect of "Hydro Pressure Cannon" which sends one random card from your opponent's hand to your opponent's Graveyard activates and starts a Chain at the end of the Damage Step when the destroyed monster is sent from the field to the Graveyard. The effect will still activate if the destroy monster is removed from play instead.[3]


  1. 1.0 1.1 Konami Gameplay FAQ: Ancient Prophecy -- Card Rulings (version 1.0)
  2. Konami FAQ: Is "Hydro Pressure Cannon" destroyed when the equipped monster becomes Level 4 or higher?
  3. Konami FAQ: Does the effect of "Hydro Pressure Cannon" start a Chain?

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