Khonsu, God of the Moon

Whenever Khonsu, God of the
Moon enters the battlefield, create the Moon.
(It's an artifact with "White creatures get +1/0".)
Wane - {w}{w}, {t}: Put a wane token on the Moon.
Wax - {x}{b}{b}{b}, {t}: Remove X wane tokens
from the Moon. Destroy target creature with
mana value X or less. You lose 3 life. Khonsu,
God of the Moon gains indestructible and
hexproof until end of turn.