Iona, Shield of Emeria

Iona, Shield of Emeria {6}{W}{W}{W}

Legendary Creature - Angel | Power/Toughness: 7 / 7
Flying
As Iona, Shield of Emeria enters the battlefield, choose a color.
Your opponents can't cast spells of the chosen color.
Edition: [MM2] Modern Masters 2015 Edition ( M · #20 )