REDU format ruling
Light Spiral

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Each time a card(s) is sent from your Deck to the Graveyard by the effect of a "Lightsworn" monster, remove from play the top card of your opponent's Deck.
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.