Sea Koala

Level 2 EARTH/Beast Effect
100 ATK / 1600 DEF

Once per turn: You can target 1 monster your opponent controls; change its ATK to 0 until the end of this turn. You must control a Beast-Type monster (other than this card) to activate and to resolve this effect.

Rulings – Yugipedia

Printings:

Phantom Darkness: PTDN-EN037 (Common) - 2008-02-13
Battle Pack 3: Monster League: BP03-EN038 (Common) - 2014-07-31
Battle Pack 3: Monster League: BP03-EN038 (Shatterfoil Rare) - 2014-07-31
Speed Duel GX: Midterm Paradox: SGX2-ENE05 (Common) - 2022-10-06

Prices:

Cardmarket: 0.12 €
TCGplayer: $ 0.11