Moonguard Sentinel

Vigilance
When Moonguard Sentinel enters the battlefield, create a 1/1 white Soldier creature token with vigilance.
Sacrifice a Soldier: Moonguard Sentinel gets
+2/+2 until end of turn.
Whenever a Soldier you control dies, create a
1/1 white Soldier creature token.

The castle's long-forgotten defenders still stand watch under the eternal moon.