Veteran Sword-elf gets +1 and +1 for each copy of Veteran Sword-elf in your discard pile.

The elves were the first to charge. Their hatred for the goblins is cold and bitter.
–The Hobbit

Response: After you play Linhir Sea-captain from your hand, if you paid all of its resource cost from a single hero's resource pool, both that hero and Linhir Sea-captain do not exhaust to quest this round.

Cannot attack or defend.

Action: Spend 1 resource and exhaust Ioreth. Then, heal 3 points of damage on a character. Any player may trigger this action.

Thus spake Ioreth, wise–woman of Gondor: The hands of the king are the hands of a healer, and so shall the rightful king be known.
–The Return of the King

Knight of the White Tower's resource cost must be paid from a single hero's resource pool.

"...to be only a man of arms of the Guard of the Tower of Gondor is held worthy in the City, and such men have honour in the land." –Beregond, The Return of the King

Response: After Soldier of Dol Amroth enters play, reduce the cost of the next card you play this phase by 1.

...he and his knights still held themselves like lords in whom the race of Númenor ran true
–The Return of the King

Action: Spend 1 resource to exhaust Súlien. Then, each location in the staging area gets -1 until the end of the phase. Any player may trigger this action.

Response: After Guardian of Ithilien enters play, return an enemy engaged with you to the staging area.

From such men the Lord Denethor chose his forayers.to harry the Orcs and other enemies that roamed between the Ephel Dúath and the River.
–The Two Towers

Ranged.

Response: After Greenwood Archer enters play, ready a hero.

They dwelt most often by the edges of the woods, from which they could escape at times to hunt...
–The Hobbit

Sentinel.

Response: When you play Erebor Guard from your hand, discard the top 2 cards of your deck to reduce its cost by 2.

...the fortress of the dwarves could not be taken by surprise. –The Hobbit

While there is a side quest in the victory display, Halfling Bounder gains:"Response: Discard Halfling Bounder to cancel the 'when revealed' effects of an encounter card that was just revealed from the encounter deck."

"The Bounders have never been so busy before."
–Sam Gamgee, The Fellowship of the Ring

While there is a side quest in the victory display, Vigilant Dúnadan does not exhaust to defend.

"I don't think we've rightly understood till now what they did for us."
–Barliman Butterbur, The Return of the King

Response: After you play Andrath Guardsman from your hand, choose a non-unique enemy engaged with you. That enemy cannot attack you this round.

They forgot or ignored what little they had known of the Guardians, and of the labours of those that made possible the long peace of the Shire.
–The Fellowship of the Ring

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.

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

Forced: After this ally enters play, search the top 5 cards of the encounter deck for a non-unique location and add it to the staging area. If no location enters play by this effect, discard Dúnedain Pathfinder. Shuffle the encounter deck.

Response: When the active location leaves play as an explored location, discard Eryn Galen Settler to discard a location in the staging with the same title as the just explored location.

Response: When you play an event, give it Doomed 1. to draw a card. You cannot trigger this ability if you have already triggered the ability of a Steward of Orthanc this round.

"...the power of Orthanc cannot be lightly thrown aside..."
–Saruman, The Two Towers

While a side quest is in the victory display, Rider of Rohan does not exaust to quest.

"Who are you, and what are you doing in this land?" said the Rider, using the Common Speech of the West...
–The Two Towers

Response: Discard Dúnedain Lookout to cancel the 'When Revealed' effects of an enemy just revealed from the encounter deck.

"Travellers scowl at us, and countrymen gives us scornful names."
–Aragorn, The Fellowship of the Ring

Defender of Cair Andros gets +X where X is the tens digit of your threat. (Limit +4

Valour Response: After Defender of Cair Andros is declared as a defender, deal 1 damage to the attacking enemy.

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

Action: Spend 1 resource to ready Knight of Dale. (limit once per round).

Valour Action: Ready Knight of Dale (limit once per round.)

Response: After Riddermark Knight is declared as an attacker, it gets +2 for this attack. At the end of this attack, discard Riddermark Knight.

As long as you do not have cards in your hand, Eregion Survivor gets +1 +1 and +1

Cannot have restricted attachments. Enters play exhausted.

Leaflock gets +1 for each damaged Ent you control (limit +4

Reduce the cost to play Halfast Gamgee by 1 for each side quest in the victory display.

Response: After Halfast Gamgee enters play, add 1 resource to a hero's resource pool.

"He works for Mr. Boffin at Overhill and goes up to the Northfarthing for the hunting."
–Sam Gamgee, The Fellowship of the Ring

Response: After Beorning Guardian participates in an attack that destroys an enemy, discard Beorning Guardian to place X progress on a location, where X is the destroyed enemy's printed

"...if it were not for the Beornings, the passage from Dale to Rivendell would long ago have become impossible."
–Glóin, The Fellowship of the Ring

Response: After Emyn Arnen Ranger commits to the quest, choose an enemy with a Trap attachment. Until the end of the phase, Emyn Arnen Ranger gets +X where X is the chosen enemy's printed

Reduce the cost to play Armor attachments on Redwater Sentry by 1.

Redward Sentry gets +1 and gains sentinel while it has an Armor attachment.

North Realm Lookout gets +1 and does not exhaust to quest while it has an Item attachment.

There were people on the look–out on the banks.
–The Hobbit

Reduce the cost to play Weapon attachments on Warrior of Dale by 1.

Warrior of Dale gets +1 and gains ranged while it has a Weapon attachment.

Action: Exhaust Long Lake Trader to move an Item attachment from a character you control to another eligible character.

"Nowhere are there any men so friendly to us as the Men of Dale."
–Glóin, The Fellowship of the Ring

Guardian of Esgaroth gets +1 +1 +1 and +1 hit point for each different player card attachment it has. (Limit +3 to each.)

The men of the lake–town Esgaroth were mostly indoors, for the breeze was from the black East and chill, but a few were walking on the quays, and watching...
–The Hobbit

Combat Action: Choose a Beorning ally with printed cost 3 or more in your hand or discard pile. Discard Beorning Skin-changer to put that ally into play.

"...sometimes he is a huge black bear, sometimes he is a great strong black–haired man with huge arms and a great beard."
–Gandalf, The Hobbit

Response: After Long Lake Fisherman enters play, name a number. Then, search the top 5 cards of your deck for a card whose printed cost is equal to that number and add it to your hand. Shuffle your deck.

Response: After you play Wiglaf, play an Item attachment on him from your hand for no cost.

Action: Exhaust an attachment on Wiglaf to ready him. (Limit once per phase.)

Cannot have restricted attachments.

Response: After Meneldor enters or leaves play, place 2 progress on a location.

...Meneldor young and swift. –The Return of the King

Cannot have attachments.

Planning Action: Attach Wild Stallion to an ally you control. (Counts as a Mount attachment with the text: "Restricted. Limit 1 per ally. Attached ally gets +1 +1 +1 and +1 hit point.")

Encounter. Surge.

Cannot have restricted attachments.

When Revealed: The first player chooses a player to take control of Eagle of the North. The chosen player may choose and discard a non-unique enemy in the staging area.

Forest Road Traveler gets +1 +1 and +1 for each attachment on the active location.

Only on the Road would travellers be found...
–The Fellowship of the Ring

Cannot have attachments.

Action: Ready Giant Bear. At the end of the phase in which you trigger this effect, shuffle Giant Bear into your deck. (Limit once per phase.)

"As a bear he ranged far and wide"
–Gandalf, The Hobbit

Cannot attack or defend.

Response: After Galion enters play, he gets +1 until the end of the round.

"Here am I waiting and waiting down hero, while you fellows drink and make merry and forget your tasks. Small wonder if I fall asleep from weariness!"
–The Hobbit

While there is at least 1 side quest in the victory display, ready Thalion at the beginning of the combat phase.

While there are at least 3 side quests in the victory display, Thalion loses the ally card type, gains the hero card type and the resource icons of each sphere on a side quest in the victory display.

Action: Discard the top 3 cards from your deck to ready Soldier of Erebor. (Limit once per round.)

Ranged.

Reduce the cost to play Mirkwood Hunter by 1 for each attachment on the active location.

...they were brave and well–armed and even the Wargs dared not attack them if there were many together...
–The Hobbit

Reduce the cost to play Item attachments on Descendant of Girion by 1.

–Glóin, The Fellowship of the Ring

Response: After Greenwood Defender enters play, it does not exhaust to defend until the end of the round.

...after the coming of Men they took ever more and more to the gloaming and the dusk.
–The Hobbit

Combat Action: Return Gaffer Gamgee to your hand to choose an enemy with engagement cost higher than your threat. Until the end of the round, that enemy cannot attack you.

"Why? Why's none of my business, or yours."
–The Fellowship of the Ring