REDU format ruling
Gladiator Beast's Battle Halberd

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Equip only to a "Gladiator Beast" monster. When it attacks, destroy 1 Spell or Trap Card at the end of the Damage Step. When the equipped monster is returned from your side of the field to the Deck and this card is sent to the Graveyard, return this card to your hand.
Rulings
- The effect of "Gladiator Beast’s Battle Halberd" that destroys 1 Spell or Trap Card at the end of the Damage Step begins a Chain.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.