Chaos Form

Ritual Spell Card

This card can be used to Ritual Summon any "Chaos" or "Black Luster Soldier" Ritual Monster. You must also Tribute monsters from your hand or field and/or banish "Blue-Eyes White Dragon" or "Dark Magician" from your GY, whose total Levels exactly equal the Level of the "Chaos" or "Black Luster Soldier" Ritual Monster you Ritual Summon.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack: MVP1-EN008 (Ultra Rare) - 2016-07-21
Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack: Gold Edition: MVP1-ENG08 (Gold Rare) - 2017-01-12
Legendary Duelists: White Dragon Abyss: LED3-EN011 (Common) - 2018-09-27
Duel Power: DUPO-EN049 (Ultra Rare) - 2019-04-03
Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack Secret Edition: MVP1-ENS08 (Secret Rare) - 2020-01-23
Legendary Duelists: Season 2: LDS2-EN025 (Common) - 2021-01-21
Maze of Memories: MAZE-EN061 (Rare) - 2023-03-09
Structure Deck: Blue-Eyes White Destiny: SDWD-EN020 (Common) - 2025-02-13

Prices:

Cardmarket: 0.11 €
TCGplayer: $ 0.07