REDU format ruling
Blackwing - Bora the Spear

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)If you control a "Blackwing" monster other than "Blackwing - Bora the Spear", you can Special Summon this card (from your hand). If this card attacks a Defense Position monster, inflict piercing battle damage.
Rulings
- This card's Ⓢ does not start a chain. (Its Summon can be negated by "Thunder King Rai-Oh").
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.