Tlakalel, His Malevolent Majesty — Ruling

Effetto 0

• This card's effect is a Trigger Effect.
• This effect can be activated optionally when this card is Tribute Summoned face-up.
• This effect does not target.
• If you Tribute a monster with an original ATK of "?" for the Tribute Summon of Tlakalel, His Malevolent Majesty, you cannot activate its effect.