My best guess translation:
EVENT THE RETURN OF THE KING Cost 1 Leadership Song ACTION: Search your deck for a guarded attachment and put it in play. Shuffle your deck
ALLY LOYAL HOUND 1,2,0,2 Cost 1 Lore Creature Cannot have attachments. RESPONSE: Discard Loyal Hound to cancel up to 2 damge just dealt to a hero you control.
ALLY MESSENGER RAVEN 1,0,0,1 Cost 1 Leadership Creature Cannot attack, defend or have attachments. RESET ACTION: Return Messenger Raven to its owner's hand and name a card type. Choose a player to look at the top card of his deck. If that card matches the named type, add it to the owner's hand. If not, discard it.
EVENT THE GREAT HUNT Cost 3 Lore You must spend resources from 3 different heroes' pool to pay for this card. COMBAT ACTION: Choose and discard a non unique enemy in the staging area.
ALLY SHERIFF OF BYWATER 1,1,1,2 Cost 2 Tactics Hobbit, Sheriff The Sheriff gains +1 Willpower, +1 Attack, +1 Defense as long as you are engaged in combat with an enemy with a higher engagement cost than your threat level
EVENT GWAIHIR'S DEBT Cost 1 Tactics You can only play this card if you control an Istari character and another unique character with the Eagle trait. ACTION: Look for an Eagle or Istari ally in the first 5 cards of your deck and put him in play. Shuffle your deck. At the end of the turn, if this ally is sill in play, return him to your hand.
EVENT REFORGED Cost X Spirit ACTION: Choose an attachment with a printed cost of X in the discard pile of a player and play this attachment for free. (The chosen attachment can belong to any sphere of influence)
ATTACHMENT MITHRIL SHIRT Cost 1 Spirit Artifact. Object. Armor Guarded (location) Attach this card to a hero. RESPONSE: When attached hero receives any amount of damage, reduce it by 1.