The Stern Mystic

Level 4 LIGHT/Spellcaster Flip Effect
1500 ATK / 1200 DEF

FLIP: Reveal all face-down cards on the field (Flip Effects are not activated), then return them to their original positions.

Rulings – Yugipedia

Printings:

Starter Deck: Yugi: SDY-033 (Common) - 2002-03-29
Starter Deck: Yugi: SDY-E031 (Common) - 2002-03-29
Speed Duel Starter Decks: Destiny Masters: SS01-ENA06 (Common) - 2019-01-24

Prices:

Cardmarket: 0.15 €
TCGplayer: $ 0.17