Bolt-Action Rifle

Equipped creature gets +2/+0, has reach and
"{t}: Deal 1 damage to creature with flying."
Equip {2}
{3} Exclusive Upgrade (Add an Exclusive Upgrade counter to this artifact.)
If this artifact has an Exclusive Upgrade counter, equipped creature has "{1}{r}, {t}: Deal 3 damage
to creature with flying and 1 damage to that
creature's controller."