Fiendsmith's Sanct

Quick-Play Spell

If you control no face-up monsters, or the only face-up monsters you control are LIGHT Fiend monsters: Special Summon 1 "Fiendsmith Token" (Fiend/LIGHT/Level 1/ATK 0/DEF 0), also you cannot declare attacks for the rest of this turn, except with Fiend monsters. If a face-up "Fiendsmith" monster(s) you control is destroyed by an opponent's card effect, while this card is in your GY: You can Set this card. You can only use each effect of "Fiendsmith's Sanct" once per turn.

Rulings – Yugipedia

Printings:

The Infinite Forbidden: INFO-EN062 (Common) - 2024-07-18
2025 Mega-Pack Tin: MP25-EN229 (Ultra Rare) - 2025-09-04

Prices:

Cardmarket: 0.15 €
TCGplayer: $ 0.20