Relinquished

Level 1 DARK/Spellcaster Ritual Effect
0 ATK / 0 DEF

You can Ritual Summon this card with "Black Illusion Ritual". Once per turn: You can target 1 monster your opponent controls; equip that target to this card (max. 1). This card's ATK/DEF become equal to that equipped monster's. If this card would be destroyed by battle, destroy that equipped monster instead. While equipped with that monster, any battle damage you take from battles involving this card inflicts equal effect damage to your opponent.

Rulings – Yugipedia

Printings:

Magic Ruler: MRL-029 (Ultra Rare) - 2002-09-16
Magic Ruler: MRL-E029 (Ultra Rare) - 2002-09-16
Spell Ruler: SRL-029 (Ultra Rare) - 2002-09-16
Spell Ruler: SRL-EN029 (Ultra Rare) - 2002-09-16
Starter Deck: Pegasus: SDP-001 (Ultra Rare) - 2003-03-30
Dark Beginning 1: DB1-EN015 (Super Rare) - 2004-10-12
Master Collection Volume 1: MC1-EN003 (Secret Rare) - 2004-12-01
Retro Pack: RP01-EN054 (Ultra Rare) - 2008-07-08
Dark Legends: DLG1-EN055 (Super Rare) - 2008-11-21
Legendary Collection 3: Yugi's World Mega Pack: LCYW-EN113 (Rare) - 2012-09-29
Millennium Pack: MIL1-EN008 (Common) - 2016-04-14
Legendary Duelists: Ancient Millennium: LED2-EN000 (Common) - 2018-02-22
Speed Duel Starter Decks: Destiny Masters: SS01-ENC08 (Common) - 2019-01-24
Speed Duel Tournament Pack 1: STP1-EN010 (Ultra Rare) - 2019-04-18
Speed Duel Starter Decks: Match of the Millennium: SS04-ENB17 (Common) - 2020-05-15
Legendary Duelists: Season 1: LDS1-EN047 (Common) - 2020-07-02

Prices:

Cardmarket: 0.18 €
TCGplayer: $ 0.57