While the top card of your discard pile is an attachment, Warden of the Havens gets +2 and gains sentinel.

"...and if he comes, assailing the White Towers and the Havens, hereafter the Elves may have no escape from the lengthening shadows of Middle-earth."
–Galdor, The Fellowship of the Ring

Lindon Navigator does not exhaust to commit to a quest, and can commit to quests while exhausted.

Forced: After resolving a quest to which Lindon Navigator was committed, either discard it from play or discard 1 card from your hand.

While the top card of your discard pile is an event, Sailor of Lune gets +1 and gains: "Cannot be damaged while committed to the quest."

"They are sailing, sailing, sailing over the Sea, they are going into the West and leaving us," said Sam, half chanting the words, shaking his head sadly and solemnly.
–The Fellowship of the Ring

The first player gains control of Calphon.

Action: Exhaust Calphon to look at the bottom card of your deck. Then, you may switch that card with a card in your hand.

If Calphon leaves play, the players lose the game.

The first player gains control of Captain Sahír.

Captain Sahír gets +1 and +1 for each resource on him (max +6).

Action: Spend 1 resource from a hero you control to place 1 resource on Captain Sahír. (Limit once per round).

If Captain Sahír leaves play, the players lose.

The last player gains control of Na’asiyah.

Action: While Na’asiyah is attacking or defending, spend 1 resource from her to give her +2 or +2 for this attack.

Action: Spend 1 resource from a hero you control to place 1 resource on Na’asiyah. (Limit once per round).

If Na’asiyah leaves play, the players lose.

Setup: Add 2 resources to Denethor's resource pool.

Action: Move 1 resource from Denethor's resource pool to another Gondor hero's resource pool. (Limit once per round.)

"...why should I sit here in my tower and think, and watch, and wait, spending even my sons? For I can still wield a brand."
-The Return of the King

Response: After Azain Silverbeard participates in an attack that destroys an enemy, spend 1 resource to deal 2 damage to another enemy that shares a Trait with the destroyed enemy. Any player may trigger this response.

Glorfindel can be played from your discard pile.

Action: Discard a card from your hand to ready Glorfindel. (Limit once per phase.)

"He is an Elf-lord of a house of princes."
–Gandalf, The Fellowship of the Ring

Action: Discard a card from your hand to heal 1 damage on any character. (Limit twice per round).

"You are in Rivendell, and you need not worry about anything for the present."
–Gandalf, The Fellowship of the Ring

As an additional cost to play Guardian of Rivendell from your hand, you must discard 2 cards from your hand.

"Indeed there is a power in Rivendell to withstand the might of Mordor, for a while."
–Gandalf, The Fellowship of the Ring

Ranged.

Response: After an encounter card with surge is revealed, either ready Lanwyn or give her +2 until the end of the phase. (Limit twice per phase.)

“The Men of Dale used to have the trick of understanding their language, and used them for messengers to fly to the Men of the Lake...”
–Thorin, The Hobbit

Sentinel.

Action: Spend 1 resource to look at a facedown shadow card dealt to an engaged enemy. If that card has a shadow effect, Eldahir gets +2 until the end of the phase. Any player may trigger this action. (Limit once per phase.)

Response: After you play Master Ironsmith from your hand, if you paid all of its resource cost from a single hero's resource pool, attach a Weapon or Armor attachment from your hand or discard pile to that hero without paying its resource cost.

Reduce the cost to play Sam Gamgee by 2 if you control Frodo Baggins.

Response: After a player raises his threat, that player may spend 1 resource to ready Sam Gamgee. He gets +1 +1 and +1 until the end of the round. (Limit once per round.)

Response: After Mirkwood Explorer quests successfully, place 1 progress on it.

Action: Exhaust Mirkwood Explorer to move all progress from it to a location in play.

Each hero with an attached Mount gets +1

Each hero with an attached Mount gets +1

Each hero with an attached Mount gets +1

Ahead nearer the walls Elfhelm's men were among the siege–engines, hewing, slaying, driving their foes into the fire–pits.
–The Return of the King

Action: Spend 1 resource to ready Ceorl. Then, you may give control of Ceorl to another player. Any player may trigger this action. (Limit once per phase).

He drew himself up. Then he knelt, offering his notched sword to the king. "Command me, lord!" he cried.
–The Two Towers

Sentinel.

Response: While Déorwine is defending, spend 1 resource to cancel a shadow effect dealt to the attacking enemy. Any player may trigger this action.

Response: After Rhovanion Outrider commits to the quest, place 1 progress on a location in the staging area. If that location is not explored by this effect, give Rhovanion Outrider +1 until the end of the phase.

Response: After Ered Luin Miner is discarded from your deck, put it into play under your control.

Tools were to be found in plenty that the miners and quarriers and builders of old had used; and at such work the dwarves were still very skilled.
–The Hobbit

Ranged.

Action: Exhaust Argalad to choose an enemy in the staging area. Until the end of the phase, that enemy gets -X , where X is Argalad's . If this effect reduces the enemy's to 0, deal 1 damage to it. (Limit once per round.)

Forced: At the end of the round, discard Dwarven Sellsword unless the players as a group spend 1 resource.

...he did not altogether approve of dwarves and their love of gold...
–The Hobbit

Ranged.

Response: After Marksman of Lórien enters play, choose an enemy. That enemy gets -2 until the end of the round.

"Keen are the eyes of the Elves."
–Aragorn, The Two Towers

Response: After Woodland Courier enters play, place 1 progress on a location (2 progress instead if that location has the Forest trait).

Response: After you travel to a location, spend 1 resource to raise the engagement cost of each enemy in play by X until the end of the round, where X is that location's quest points. Any player may trigger this response.

"Gave me a chance of walking round the country and seeing folk, and hearing the news, and knowing where the good beer was."
–The Return of the King

Resources in Na'asiyah's resource pool cannot be used to pay for allies.

Action: While Na'asiyah is attacking or defending, pay 1 resource from her resource pool to give her +2 or +2 for this attack.

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

Combat Action: Spend 1 resource from Prince Imrahil's resource pool to search the top 5 cards of your deck for an ally who shares at least 1 Trait with him, and put that ally into play. Shuffle your deck. At the end of the phase, if that ally is still in play, shuffle it into your deck. (Limit once per round.)

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

Sentinel.

Response: After Gimli is declared as a defender, spend 1 resource from his pool to ready another hero. If that hero is Legolas, he gets +1 until the end of the phase. (Limit once per phase.)

“Faithless is he that says farewell when the road darkens...”
–The Fellowship of the Ring

Ranged.

Response: After Legolas commits to a quest, discard a card from your hand to ready another hero. If that hero is Gimli, he gets +1 until the end of the phase. (Limit once per phase.)

“I go to find the Sun!”
–The Fellowship of the Ring

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: At the beginning of the planning phase, add 1 resource to a hero's pool.

If Kahliel leaves play, you are eliminated from the game.

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

If Firyal leaves play, you are eliminated from the game.

Ranged.

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

If Yazan leaves play, you are eliminated from the game.

Sentinel.

Response: After Jubayr is declared as a defender, discard 1 facedown shadow card from a non-unique enemy. (Limit once per phase.)

If Jubayr leaves play, you are eliminated from the game.

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

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.