OCG Rulings

  • The effect also increases this card's own ATK.[1]
  • The ATK increase lasts as long as the monster remains face-up on the field. If the monster is flipped face-down, then the increase disappears.[2]
  • If you increase a monster's ATK and then "Skill Drain" is activated, then the increase to ATK remains.[2]


  1. 1.0 1.1 1.2 1.3 Konami OCG FAQ: Xyz Monster > Number 20: Number 20: Giga-Brilliant
  2. 2.0 2.1 Konami OCG FAQ: The ATK increase from the effect of "Number 20: Giga-Brilliant" lasts for how long?

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