AI ignore alpha strike/kills to select damage targets

Computer used wrong damage target on Burning Sun's Avatar ability (deal 3 damage to 3/3 creature with 1 token -- e.g. it's still alive, but ignore another 1/1 creature). AI must have priority on kill, not damage:

5:35: computer casts Burning Sun's Avatar [32f]
5:35: computer puts Burning Sun's Avatar [32f] from stack onto the Battlefield
5:35: Ability triggers: Burning Sun's Avatar [32f] - When Burning Sun's Avatar [32f] enters the battlefield, it deals 3 damage to target opponent and 3 damage to up to one target creature. - targeting JayDi Headstrong Brute [185]
5:35: JayDi loses 3 life
5:35: Burning Sun's Avatar [32f] deals 3 damage to Headstrong Brute [185]