Fateful Discovery

Whenever an artifact you control enters, draw a card.

Gandalf, Wandering Wizard

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
{6}: Gandalf's owner shuffles him into their library and draws three cards.

Human Soldier

Great Gilded Boat

Whenever you attack, recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Lakeshore Apothecary

Vigilance
Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Lake-town Mariners

Vigilance
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Gone Fishing

Exile two target creatures and/or lands you control, then return them to the battlefield under their owner's control.

Lake-town Mariners // Gone Fishing

Long Lake Nuisance

Flying
When this creature enters, recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)

The Lord of the Eagles

Flash
This spell costs {X} less to cast, where X is the total power of creatures you control with flying.
Flying

Master's Councillors

Vigilance
This creature gets +2/+0 for each graveyard with seven or more cards in it.
Whenever you draw your second card each turn, target player mills three cards. (They put the top three cards of their library into their graveyard.)

Mirkwood Meditator

Landfall — Whenever a land you control enters, you may have this creature's base power and toughness become 4/2 until end of turn.

Most Decrepit Old Bird

Flying
Threshold — This creature gets +1/+1 as long as there are seven or more cards in your graveyard.

Speak Secrets

Mill four cards, then put an instant or sorcery card from among them into your hand.

Most Decrepit Old Bird // Speak Secrets

Treasure

Bilbo's Gambit

Gift a Treasure (You may promise an opponent a gift as you cast this spell. If you do, they create a Treasure token before its other effects. It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Return target spell to its owner's hand. If the gift was promised, players can't cast spells this turn.

Old Fat Spider Can't See Me

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I — Target creature you control gains hexproof for as long as this Saga remains on the battlefield.
II — Prevent all damage that would be dealt by up to one target creature for as long as this Saga remains on the battlefield.
III, IV — Draw a card.

Plunder the Trollshaws

Draw a card. If this spell was cast from a graveyard, draw two cards instead.
Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Ravenhill Flock

Flying
Whenever you draw a card, put a +1/+1 counter on this creature.

Riddles in the Dark

Look at the top four cards of your library and separate them into a face-down pile and a face-up pile. An opponent chooses one of the piles. Put that pile into your hand and the other into your graveyard.

Roll-Roll-Roll-Roll

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I, II, III, IV — Exile up to one target creature or land you control. If you do, return it to the battlefield under its owner's control at the beginning of the next end step.

The Hobbit