Tengu format ruling

Proof of Powerlessness

This card by format:GoatEdisonTenguREDUAdvanced
Proof of Powerlessness
Card effect (current official text)Activate only while you control a face-up Level 7 or higher monster. Destroy all face-up Level 5 or lower monsters your opponent controls. Monsters you control cannot attack this turn.

Rulings

Activate only while you control a face-up Level 7 or higher monster. Destroy all face-up Level 5 or lower monsters your opponent controls. Monsters you control cannot attack this turn.

  • Your Level 7+ monster only needs to be face-up to activate this card. The effect will resolve even if it is flipped face-down / leaves the field.
  • You can activate this card on your opponent's turn, since you will not be declaring attacks that turn.
  • Monsters like Elemental Hero Wildheart can still attack the turn you activate "Proof of Powerlessness."
source: Rulings_Tengu (Format Library)
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.

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