Saqlifice

Equip Spell

Equip only to a "Qli" monster. It gains 300 ATK and cannot be destroyed by battle. The equipped monster can be treated as 2 Tributes for the Tribute Summon of a "Qli" monster. If this card is sent from the field to the Graveyard: You can add 1 "Qli" monster from your Deck to your hand.

Rulings – Yugipedia

Printings:

The New Challengers: NECH-EN061 (Ultra Rare) - 2014-11-06
2015 Mega-Tin Mega Pack: MP15-EN171 (Ultra Rare) - 2015-09-17
Quarter Century Stampede: RA04-EN238 (Platinum Secret Rare) - 2025-04-10
Quarter Century Stampede: RA04-EN238 (Quarter Century Secret Rare) - 2025-04-10

Prices:

Cardmarket: 0.16 €
TCGplayer: $ 0.19