The Emperor's Champion

Double Strike, Trample, Haste, Vigilance, Menace

If the Emperor's Champion blocks or is blocked by a legendary creature, it gains deathtouch until end of turn.

If the Emperor's Champion deals combat damage to a player, double it.

{t}: The Emperor's Champion gains deathtouch until end of turn and fights target creature.

"Zeal makes all things possible, duty makes all things simple."