Heroic Champion - The Black Knight

{{CardTable2 Once per turn: You can detach 1 Xyz Material from this card; this card gains 800 ATK. If this card is sent to the Graveyard: You can target 1 Level 4 or lower "Heroic Challenger" monster in your Graveyard; Special Summon that target.
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 * attribute = Dark
 * sets =
 * rank = 1
 * type = Warrior
 * type2 = Xyz
 * type3 = Effect
 * effect1 = Ignition
 * effect2 = Trigger
 * lore = 2 Level 1 Warrior-Type monsters
 * atk = 1000
 * def = 0
 * limit = Unlimited
 * rarity = Rare