Frost, Artificial Velocity

Vigilance, Speedforce, First Strike, Haste, Flanking
{s}{s}{s}{s}{t}: Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
{s}{s}{s}{t}: Deal 3 damage to any target.
{s}{r}{r}{t}: Deal 4 Damage to target creature.