Nikolai Belenski, Ultimis

You may exert Nikolai Belenski, Ultimis as it
attacks. (It won't untap during your next untap step.)
Whenever you exert a creature, Nikolai Belenski, Ultimis deals 1 damage to each creature your
opponent controls.
"Hey! Do you have any vodka?"
- Nikolai Belenski, Ultimis