Double Shark

Level 4 WATER/Fish Effect Monster
1200 ATK / 1600 DEF

When this card is Normal Summoned: You can reduce the Levels of all Level 4 Fish-Type monsters you currently control by 1. This card can make a second attack during each Battle Phase.

Rulings – Yugipedia

Printings:

Cosmo Blazer: CBLZ-EN010 (Common) - 2013-01-25

Prices:

Cardmarket: 0.09 €
TCGplayer: $ 0.20