Belladonna Took

Whenever a token you control enters, you gain 1 life if this is the first time this ability has resolved this turn. If it's the second time, draw a card. If it's the third time, put a +1/+1 counter on each creature you control.

Bofur, Reliable Guardian

Concerted Care

Target artifact or creature you control gains hexproof and indestructible until end of turn. (Then exile this card. You may cast the creature later from exile.)

Bofur, Reliable Guardian // Concerted Care

Iron Hills Blacksmith

Double strike
When this creature enters, create a colorless Equipment artifact token named Axe with "Equipped creature gets +1/+0" and equip {2}.

The Queen of Dale

Human Soldier

Whenever an opponent casts their first noncreature spell each turn, you recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)

Bilbo, Luckwearer

Bilbo can't be blocked.
Whenever Bilbo deals combat damage to a player, draw a card, then discard a card.

Burglar's Plot

Exchange control of two target nonland permanents that share a card type. (Then exile this card. You may cast the creature later from exile.)

Bilbo, Luckwearer // Burglar's Plot

Bilbo, Thief in the Night

Spells you cast from anywhere other than your hand cost {1} less to cast.
Whenever Bilbo attacks, you may cast an artifact, instant, or sorcery spell from your graveyard. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead.

The Mountain-king's Return

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Recruit. (Draw a card, then discard a card. If you discarded a nonland card, create a 1/1 white Human Soldier creature token.)
II — Return target creature card with mana value 3 or less from your graveyard to the battlefield.
III — Put a +1/+1 counter on up to one target creature.

Fateful Discovery

Whenever an artifact you control enters, draw a card.

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

Goblin Army

Azog, Moria's Ruin

When Azog enters, destroy up to one other target creature. Its controller amasses Goblins X, where X is that creature's power. If you controlled that creature, draw a card. (To amass Goblins X, that player puts X +1/+1 counters on an Army they control. It's also a Goblin. If they don't control an Army, they create a 0/0 black Goblin Army creature token first.)

Great Ugly-Looking Goblin // Clap! Snap!

Great Ugly-Looking Goblin

Each creature you control with a +1/+1 counter on it has menace. (It can't be blocked except by two or more creatures.)

Clap! Snap!

Amass Goblins 2. (Then exile this card. You may cast the creature later from exile.)

Head of the Hunt

Wolf

Flash
If a creature an opponent controls would die, exile it instead. When you do, create a 2/2 green Wolf creature token.

Desert Were-Worm

This creature gets +2/+0 for each Mountain you control.
Whenever you attack with creatures with total power 12 or greater for the first time each turn, untap all attacking creatures. After this phase, there is an additional combat phase.

Desolation of Smaug

Desolation of Smaug deals 3 damage to each non-Dragon creature.
Add four mana in any combination of colors. Spend this mana only to cast Dragon spells.

Glóin the Mighty

At the beginning of your first main phase, add {R}{R}.

Easy Pickings

Easy Pickings deals 1 damage to each creature your opponents control. (Then exile this card. You may cast the creature later from exile.)

Glóin the Mighty // Easy Pickings

Last Light of Durin's Day

Whenever a Mountain you control enters, put a quest counter on this enchantment. If it has six or more quest counters on it, sacrifice it. If you do, search your hand and/or library for a Dragon card and put it onto the battlefield. If you search your library this way, shuffle.
Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

The Hobbit