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You can send 1 "Black Luster Soldier" monster from your hand to the Graveyard; until your opponent's next End Phase, this card's ATK becomes 3000, and this card's name becomes "Black Luster Soldier". You can banish this card from your Graveyard; add 1 "Beginning Knight" or "Evening Twilight Knight" from your Deck to your hand. You can only use each effect of "Super Soldier Soul" once per turn.