Raviel, Lord of Phantasms - Shimmering Scraper

Level 10 DARK/Fiend Effect
4000 ATK / 4000 DEF

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 3 monsters. You can only use each of the following effects of "Raviel, Lord of Phantasms - Shimmering Scraper" once per turn.
● (Quick Effect): You can discard this card and target 1 "Raviel, Lord of Phantasms" you control; for the rest of this turn, its ATK becomes double its current ATK, also it can attack all monsters your opponent controls once each.
● If this card is in your GY: You can Tribute 1 monster; add this card to your hand.

Rulings – Yugipedia

Printings:

Structure Deck: Sacred Beasts: SDSA-EN001 (Ultra Rare) - 2020-07-09
2021 Tin of Ancient Battles: MP21-EN248 (Prismatic Secret Rare) - 2021-09-30

Prices:

Cardmarket: 0.28 €
TCGplayer: $ 0.24