Goat format ruling
Tutan Mask

Card effect (current official text)When a Spell/Trap Card is activated that targets exactly 1 Zombie monster on the field (and no other cards): Negate the activation, and if you do, destroy it.
Rulings
- You cannot activate Tutan Mask to negate a Spell/Trap Card that targets a Zombie monster in the GY or Deck (such as Monster Reborn).
- You cannot use Tutan Mask to negate a Spell/Trap Card that targets a face-down Zombie monster.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.