Keyword: Vigilance

Tahngarth, Talruum Hero

Vigilance
, : Tahngarth, Talruum Hero deals damage equal to its power to target creature. That creature deals damage equal to its power to Tahngarth.

Ardent Soldier

Kicker (You may pay an additional as you cast this spell.)
Vigilance
If Ardent Soldier was kicked, it enters the battlefield with a +1/+1 counter on it.

Riptide Crab

Vigilance
When Riptide Crab dies, draw a card.

Steadfast Guard

Vigilance (Attacking doesn’t cause this creature to tap.)

Zhang Fei, Fierce Warrior

Vigilance; horsemanship (This creature can’t be blocked except by creatures with horsemanship.)

Shu General

Vigilance; horsemanship (This creature can’t be blocked except by creatures with horsemanship.)

Radiant, Archangel

Flying, vigilance
Radiant, Archangel gets +1/+1 for each other creature with flying on the battlefield.

Mirri, Cat Warrior

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can’t be blocked as long as defending player controls a Forest, and attacking doesn’t cause this creature to tap.)