Kushala Daora, Steel Dragon

Flying
{2} :Kushala Daora, Steel Dragon gets +1/+0 until end of turn.
{x} :Destroy each nonland permanent with converted mana cost X whose controller was
dealt combat damage by Kushala Daora, Steel Dragon this turn. Activate this ability only
once each turn.
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An elder dragon that shields itself with fierce winds, preventing anyone from approaching it. Its skin consists of hard, metallic scales.