Big Belly Knight

Level 4 EARTH/Warrior Effect Monster
1000 ATK / 1600 DEF

If this card is detached from an Xyz Monster and sent to the Graveyard to activate that monster's effect: You can Special Summon 1 Level 3 or lower monster from your hand.

Rulings – Yugipedia

Printings:

Premium Gold: PGLD-EN004 (Gold Secret Rare) - 2014-03-28

Prices:

Cardmarket: 0.09 €
TCGplayer: $ 0.17