REDU format ruling
Dark Magic Attack

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)If you control "Dark Magician": Destroy all Spells and Traps your opponent controls.
Rulings
- If you activate Dark Magic Attack, and the Dark Magician is removed from the field with Interdimensional Matter Transporter or Compulsory Evacuation Device, or flipped face-down with Book of Moon, or destroyed by Ring of Destruction, Dark Magic Attack's effect still resolves.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.