REDU format ruling
Chimera the Flying Mythical Beast

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)"Gazelle the King of Mythical Beasts" + "Berfomet"
(This card is always treated as a "Phantom Beast" card.)
When this card is destroyed: You can target 1 "Berfomet" or 1 "Gazelle the King of Mythical Beasts" in your Graveyard; Special Summon that target.
Rulings
- If "Chimera the Flying Mythical Beast" is destroyed by "Cyber Jar" you will miss the timing to activate its effect.
- If more copies of "Chimera the Flying Mythical Beast" are destroyed while in your Extra Deck by "Chain Destruction" you can activate their effects and Summon "Berfomet" or "Gazelle the King of Mythical Beasts."
- If "Chimera the Flying Mythical Beast" is destroyed by "Dark Ruler Ha Des" or another Fiend-Type monster you control while "Dark Ruler Ha Des" is on the field, its effect to Special Summon is negated.
- If "Chimera the Flying Mythical Beast" is destroyed while equipped to "Relinquished" you can activate its effect.
- You can activate the effect if "Chimera the Flying Mythical Beast" is destroyed by a card effect or by battle.
- If your opponent controls your "Chimera the Flying Mythical Beast" and it is destroyed, you get to activate the effect.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.