The Dragonborn

Vigilance, haste
When The Dragonborn enters, exile target Dragon an opponent controls.

{1}{w}: Put a +1/+1 counter on target creature.
{1}{u}: Gain control of target creature or artifact an opponent controls.
{1}{b}: Put three -1/-1 counters on target creature an opponent controls.
{1}{r}: The Dragonborn deals 4 damage to any target.
{1}{g}: Create a 2/2 green Bear creature token.