Goat format ruling
Dark Flare Knight

Card effect (current official text)"Dark Magician" + "Flame Swordsman"
You take no Battle Damage from battles involving this card. When this card is destroyed by battle and sent to the Graveyard: Special Summon 1 "Mirage Knight" from your hand or Deck.
Rulings
- The damage referred to by Dark Flare Knight is Battle Damage.
- One "Mirage Knight" may be summoned for each "Dark Flare Knight" destroyed as a result of Battle.
- If "Dark Ruler Ha Des" destroys "Dark Flare Knight" as a result of battle, "Dark Flare Knight’s" effect of being able to Special Summon "Mirage Knight" will be negated.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.