Scias, Stuttering Mercenary

Whenever Scias, Stuttering Mercenary attacks,
Choose one-

Shining Blade - Target creature gains first strike until the end of turn.

Rahkasa - Target creature gains +3/+3, and trample until end of turn. If your life total is 10 or less, Target creature gains +5/+5 instead.

Ice Sword - Tap target creature.