The powerful Horus the Black Flame Dragon cards are the hottest thing in the Soul of the Duelist set. The cards are all rare and come in LV4, LV6 and LV8 versions of Horus, with different powers for each card. Here's the scoop on their powers
Horus the Black Flame Dragon LV4
Type: Fire / DragonStars: 4
Attack: 1600
Defense: 1000
As long as this card remains face-up on your side of the field, control of this card cannot switch. During the End Phase of a turn that this card destroyed a monster as a result of battle, send this card to the Graveyard to Special Summon 1 "Horus the Black Flame Dragon LV6" from your hand or Deck.
Horus the Black Flame Dragon LV6
Type: Fire / DragonStars: 6
Attack: 2300
Defense: 1600
As long as this card remains face-up on your side of the field, it is unaffected by any Spell Cards. During the End Phase of a turn that this card destroyed a monster as a result of battle, send this card to the Graveyard to Special Summon 1 "Horus the Black Flame Dragon LV8" from your hand or Deck.
Horus the Black Flame Dragon LV8
Type: Fire / DragonStars: 8
Attack: 3000
Defense: 1800
This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "Horus the Black Flame Dragon LV6". As long as this card remains face-up on your side of the field, you can negate the activation and effect of any Spell Cards and destroy them.