Widowmaker, One Shot

Whenever you cast a spell put a One Shot counter
on target Permanent.
As long as a permanent you control has a One
Shot Counter it has:{t} Deal 1 damage to target
creature or player fore each one shot counter
on this card.
{2}{u}{t}:Search your library for a artifact card
Reveal it put it into your hand.
Artifacts cost {1} less.
Partner(partner with Overwatch characters.