Arcana Knight Joker [SBLS-EN007] Ultra Rare Spell and only once that turn

and only once that turn

if you control a "Witchcrafter" monster

or Special Summoned during the turn a Thunder monster's effect was activated in the hand

during the End Phase

with a name different from the cards in your GY

Arcana Knight Joker [SBLS-EN007] Ultra Rare Spell and only once that turnSet: Speed Duel: Arena of Lost Souls Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 3800 Defense: 2500 "Queen's Knight" + "Jack's Knight" + "King's Knight" A Fusion Summon of this card can only be done with the above materials. Once per turn, when a Spell Trap Card, or monster effect, is activated that targets this face up card on the field (Quick Effect): You can discard the same type of card (Monster, Spell, or Trap); negate the effect.