Goblin Sharpshooter doesn't untap during your untap step.
Whenever a creature dies, untap Goblin Sharpshooter.
T: Goblin Sharpshooter deals 1 damage to target creature or player.
Whenever a creature dies, untap Goblin Sharpshooter.
T: Goblin Sharpshooter deals 1 damage to target creature or player.