REDU format ruling
Stop Defense

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Select 1 Defense Position monster on your opponent's side of the field and change it to Attack Position.
Rulings
- Using Stop Defense on a face-down monster does not constitute a Flip Summon, so Trap Hole could not be used.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.