Kai'Sa, Daughter of the Void

This spell cannot be countered.
{t}{b}Choose one:
- Kai'Sa deals 2 damage to up to 6 creatures an
opponent controls.
- Kai'Sa deals 5 damage to target permanent.
{u}{u}You may activate this ability as Kai'Sa taps.
If you do, Kai'Sa deals 4 damage to up to 10 creatures or 7 damage to target permanent based
on which ability you chose.
Kai'Sa can only untap during your untap
step.