X-Saber Galahad

Level 4 EARTH/Warrior Effect
1800 ATK / 800 DEF

If this card attacks an opponent's monster, this card gains 300 ATK during the Damage Step only. If this card is attacked by an opponent's monster, this card loses 500 ATK during the Damage Step only. When this card is selected as an attack target, you can Tribute another "Saber" monster to negate the attack.

Rulings – Yugipedia

Printings:

Starter Deck: Yu-Gi-Oh! 5D's 2009: 5DS2-EN020 (Common) - 2009-06-09
Duel Terminal 1: DT01-EN074 (Duel Terminal Rare Parallel Rare) - 2010-01-29
Starter Deck: Duelist Toolbox: 5DS3-EN013 (Common) - 2010-05-28

Prices:

Cardmarket: 0.14 €
TCGplayer: $ 0.27