General Zachary the Crusher

Double strike, vigilance
{4}{w}{w}{t}: General Zachary the Crusher fights
target creature an opponent controls. If that
creature dies, tap another target creature that
opponent controls. That creature doesn't untap
during its controller's next untap step.
"In all armies there are warriors who fight in single
combat to decide the battle. General Zachary has
never lost. Whole armies cower in fear at the sound of
his name."