REDU format ruling
Wulf, Lightsworn Beast

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Cannot be Normal Summoned/Set. Must be Special Summoned by a card effect. If this card is sent from your Deck to the GY: Special Summon it.
Rulings
No rulings currently available.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.