Wielder of Starfire

As long as you control a star celestial land,
Wielder of Starfire has firststrike and menace.
Sacrifice a celestial land you control: Wielder of Starfire deals damage equal to its power to target creature or planeswalker. If the sacrificed
celestial land was a star, you may have Wielder of Starfire deals damage to target player instead. Activate only once per turn cycle.