Widowmaker, Secretive Sniper

Reach
{b}: Create an artifact token named Venom Mine
with "Sacrifice Venom Mine: target creature gets
-0/-2 until the beginning of your next turn"
{2}{b}: Widowmaker gains first strike, deathtouch
until end of turn. Widowmaker doesnt untap
during your next untap unless you pay 2
{2}{b}{b}: You may view all face down, exiled, in
hand, and on top of library cards that opponents control