Captain Sylara, The Deceiver

Vigilance, Flying
When Captain Sylara enters the battlefield, you
may tap or untap target creature. If you tap a
creature this war, it doesn't untap during its controller's next untap step.
{4}{w}{u}: Captain Sylara gains Hexproof until end
of turn. If you control three or more tapped creatures, create a 1/1 Drone creature token.
"I didn't tap your creature"