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強襲 - あなたの終了ステップの開始時に、このターンにあなたが攻撃していた場合、あなたがコントロールしていてクリーチャーや機体でありこれでない1体を対象とする。それの上に+1/+1カウンター1個を置く。
Raid abilities evaluate the entire turn to see if you attacked with a creature. That creature doesn't have to still be on the battlefield. Similarly, the player, planeswalker, or battle it attacked doesn't have to still be in the game or on the battlefield.
Raid abilities care only that you attacked with a creature. It doesn't matter how many creatures you attacked with, or which opponent, planeswalker, or battle those creatures attacked.