SCP 575 Predatory Darkness

First Strike
When SCP 575 enters the battlefield, it becomes
night.
Whenever it becomes day, SCP 575 phases out.
As long as its day, SCP 575 can't phase in.
SCP 575 can block creatures with shadow.
When SCP 575 deals combat damage to a non
skeleton creature, destroy it. It's controller makes
a copy of it, except its a skeleton instead of its
other types and it has base power and toughness
1/1.