The Witcher

{1}{w},{t} : Tap target Non-Human creature. This creature doesn't untap during its controller's next untap step. You gain 3 life.
{3}{b},{t} : Destroy target creature if it's a
Non-Human or if you pay 5 life.
At the beginning of your end step, if there is at
least one Human creature and at least one
Non-Human creature on the battlefield, create a
Gold token.