OCG Rulings

  • The effect that reduces ATK is applied if 3 or more Spell or Trap Cards that either player controls are returned to the hand.[1]


  1. 1.0 1.1 1.2 1.3 Konami FAQ: Effect Monster > Poseidra, the Atlantean Dragon
  2. Konami OCG FAQ: As for the effect of "Poseidra, the Atlantean Dragon" that return all Spell and Trap Cards to the owner's hand and the effect that reduces the ATK of all monsters the opponent controls by 300 for each returned card, are they considered to happen simultaneously?
  3. Konami OCG FAQ: If "Aquamirror Cycle" is activated in a chain to the effect of an "Poseidra, the Atlantean Dragon" in the Graveyard that Special Summons itself, and "Poseidra, the Atlantean Dragon" is returned to the hand, can that "Poseidra, the Atlantean Dragon" be Special Summoned from the hand?

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