REDU format ruling
Gravekeeper's Spy

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)FLIP: Special Summon 1 "Gravekeeper's" monster with 1500 or less ATK from your 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.