Techmage Gunner

{1}{w},{t}: Tap target creature.
{1}{w},{t}: Techmage Gunner deals damage equal to its power to target tapped creature
or planeswalker.
{1}{w}{w}, {t}, Sacrifice Techmage Gunner: Destroy target creature with power 4 or greater.
"There aren't such big problems that my
cannon can't solve."