REDU format ruling
Wall of Illusion

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)If this card is attacked by a monster, after damage calculation: Return that monster to the hand.
Rulings
- If the monster battling with Wall of Illusion is somehow destroyed during Damage Calculation, it is sent to the GY and NOT returned to the owner’s hand.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.