Gouki Octostretch

Level 1 EARTH/Warrior Effect
0 ATK / 0 DEF

If your opponent's monster attacks, during damage calculation (Quick Effect): You can discard this card; the damage you take from that battle is halved. When your opponent activates an effect that would inflict damage to you (even during the Damage Step) (Quick Effect): You can discard this card; the damage you take from that effect is halved. If this card is sent from the field to the GY: You can add 1 "Gouki" card from your Deck to your hand, except "Gouki Octostretch". You can only use this effect of "Gouki Octostretch" once per turn.

Rulings – Yugipedia

Printings:

Flames of Destruction: FLOD-EN009 (Common) - 2018-05-03
2019 Gold Sarcophagus Tin Mega Pack: MP19-EN006 (Common) - 2019-08-29

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.13