Horus the Black Flame Dragon LV8 (Blue) [DL17-EN002] Rare Dark Legends and is sent to the

and is sent to the Graveyard

you can use this effect on 1 monster that has attacked this turn and is equipped with a Union Monster

Set: EX: Unseen Forces Type: Water Rarity: Uncommon Retreat cost: Colorless

or 1 Spell/Trap that specifically lists the card "Ancient Gear Golem" in its text

Horus the Black Flame Dragon LV8 (Blue) [DL17-EN002] Rare Dark Legends and is sent to theSet: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 3000 Defense: 1800 This card cannot be Normal Summoned Set. Must be Special Summoned by "Horus the Black Flame Dragon LV6" and cannot be Special Summoned by other ways. During either player's turn, when a Spell Card is activated: You can negate the activation, and if you do, destroy it. You must control this face up card to activate and resolve this effect.