Hunter Owl

Level 4 WIND/Winged Beast Effect Monster
1000 ATK / 900 DEF

This card gains 500 ATK for each face-up WIND monster you control. While you control another face-up WIND monster, your opponent cannot select this card as an attack target.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! GX Spirit Caller promotional cards: GX03-EN002 (Super Rare) - 2007-01-02
Dragunity Legion Structure Deck: SDDL-EN013 (Common) - 2011-03-04

Prices:

Cardmarket: 0.16 €
TCGplayer: $ 0.17