Biting Dustmite

Haste, sandstorm (At the beginning each end step,
put a sand counter on this creature. Whenever this creature attacks, create a token that's a copy of it tapped and attacking for each sand counter on it. Sacrifice them at the end of combat.)
Penetrating 1
At the beginning of combat on your turn, choose an opponent at random. Biting Dustmite attacks that player this combat if able.