Action: Exhaust Southron Refugee to reduce the cost of the next Harad ally you play this phase by 1.

...to the land of the Haradrim came only a tale from far off...
–The Return of the King

Sentinel.

Response: After Turayn exhausts, choose another character. The next time that character would be dealt damage this round, cancel 1 of that damage.

You may use resources from Kahliel's resource pool to pay for Harad ally cards of any sphere.

Action: Discard a Harad ally from your hand to ready a Harad character in play. (Limit once per phase.)

...the Southrons were bold men and grim...
–The Return of the King

Action: Exhaust Kahliel's Tribesman to choose another Harad character. That character gets +1 +1 and +1 until the end of the phase.

But the Haradrim, being now driven to the brink, turned at bay, and they were fierce in despair...
–The Return of the King

Ranged.

Response: After Yazan is declared as an attacker, deal 1 damage to a non-unique enemy in play. (Limit once per phase.)

Sentinel.

Response: After Jubayr exhausts to defend an attack, discard 1 facedown shadow card from a non-unique enemy. (Limit once per phase.)

Response: After Firyal commits to the quest, look at the top card of the encounter deck. Then, you may discard the looked at card.