Evocation of the Ramparts

As Evocation of the Ramparts enters the battlefield, choose another creature you control.
The chosen creature gets +1/+1 and has vigilance.
As long as Evocation of the Ramparts is a creature, it has vigilance.
Figment 2 (As long as you control no non-Shadow creatures, this permanent is a 2/2 Shadow creature in addition to its other types.)