Sheila, Versatile Turret

Force Ballista - {2},{t}: Sheila deals 3 damage
to any target.
Flamethrower - {3},{t}: Sheila deals 1 damage to
each creature target opponent controls
Protector - {3},{t}: Put a shield counter on
target creature you control.
Detonate - {2}, Sacrifice Sheila: Sheila deals 2 damage to each creature and each player.

When Sheila is put into a graveyard from the battlefield, return it to its owner's hand.