Musa, the Midnight Blade

Bushido 3, stance {5} ({5}, change the active ability of this permanent to that of its inactive ability. Activate only as a sorcery.)
{3}: Musa, the Midnight Blade gains first strike
and vigilance until end of turn.
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{3}: Musa, the Midnight Blade gains double strike until end of turn.
"Akuin'akka.."