If you activate a non-"Labrynth" Normal Trap Card (except during the Damage Step): You can Special Summon 1 Fiend monster from your hand or GY.
If you activate a Set "Welcome Labrynth" Normal Trap Card, you can add this additional effect to its effect when it resolves.
● Also, after that, destroy 1 card on the field.
You can only use each effect of "Labrynth Labyrinth" once per turn.
Spell
Field
