Oketra's Avenger
Oketra's Avenger {1}{W}
Creature - Human Warrior | Power/Toughness: 3 / 1
You may exert Oketra's Avenger as it attacks. When you do, prevent all combat damage that would be dealt to it this turn. (An exerted creature won't untap during your next untap step.)
Latest set: [HOU] Hour of Devastation (C)