Shark Fortress

Level 5 DARK/Fish Xyz Effect
2400 ATK / 1800 DEF

2 Level 5 monsters
Your opponent cannot target monsters for attacks, except this one. Once per turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster you control; it can make a second attack during each Battle Phase this turn.

Rulings – Yugipedia

Printings:

Lord of the Tachyon Galaxy: LTGY-EN048 (Common) - 2013-05-17
2014 Mega-Tin Mega Pack: MP14-EN026 (Common) - 2014-08-28

Prices:

Cardmarket: 0.20 €
TCGplayer: $ 0.05