Plague Wolf

Level 3 DARK/Zombie Effect
1000 ATK / 1000 DEF

Once per turn: You can make this card's ATK become double its original ATK until the end of this turn. Once per turn, during the End Phase, if this effect was activated: Destroy this card.

Rulings – Yugipedia

Printings:

Force of the Breaker: FOTB-EN065 (Secret Rare) - 2007-05-16
Zombie World Structure Deck: SDZW-EN015 (Common) - 2008-10-21
Legendary Collection 4: Joey's World Mega Pack: LCJW-EN200 (Common) - 2013-10-11
Structure Deck: Lair of Darkness: SR06-EN016 (Common) - 2018-04-19
Speed Duel GX: Duelists of Shadows: SGX3-ENC11 (Common) - 2023-03-30

Prices:

Cardmarket: 0.04 €
TCGplayer: $ 0.09