DP23-JP004 Kuromajutsu no Higi / Dark Magic Secrets
Quick-Play Spell
(1) Activate 1 of these effects:
– Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand and/or field, including “Dark Magician” and/or “Dark Magician Girl”, as Fusion Material.
– Ritual Summon 1 Ritual Monster from your hand. You must also Tribute monsters from your hand and/or field, including “Dark Magician” and/or “Dark Magician Girl”, whose total Levels equal or exceed the Level of the monster you Summon.

Source

*”Higi” in this context literally intends “Secret Art(s)”, but the naming convention in English has been “Dark Magic [single word]” so far.