Miror, The Mysterious Angel

flying, vigilance, lifelink
Miror, The Mysterious Angel's power and
toughness is the number
of Angels you control.
Other Angels you control gets +2/+1.
Wenever Miror, The Mysterious Angel attack,
other Angels you control gets +X/+X until end
of turn when the X is the power of Miror, The Mysterious Angel.