Here is what we know of the player cards so far, along with some speculation.
Heroes:
Baggins Sphere - Bilbo Baggins - cost 0 - Hobbit. Burgler.
Leadership - ? Thranduil?
Tactics - ? Bard?
Lore - ?
Spirit - ?
Baggins cards:
1. The Lucky Number - Event - cost 1 - Action: Choose a character (other than Bilbo Baggins). Add Bilbo's stats to that character until the end of ____.
Lore cards:
1. Expert Treasure Hunter - Attachment - Skill. Attach to a hero. Response: After attatched hero exhausts (to ?), name a card type and discard the top card of your deck. If the discarded card matches the named type, add it to your hand.
2. Ally?
3.
Leadership cards:
1. King Under the Mountain - Attachment - cost 2 - unique - Title. Attach to a Dwarf hero. Action: Exhaust King Under the Mountain to look at the top 2 cards of your deck. Add 1 to your hand and discard the other.
2. ? title? - Event - cost 1 - Action: If you control at least 1 Dwarf hero, put a Dwarf ally from your discard pile into play under your control. Put that ally on the [top/bottom?] of your deck at the end of the phase.
3. Ally?
Tactics cards:
1. Black Arrow - Attachment - cost ? - unique - Artifact. Item. One per deck. Attach to a hero with Ranged.
2. Ally?
3.
Spirit cards:
1. Ally?
2.
3.
Treasure cards:
1. Bilbo's Magic Ring - Artifact. Item. Ring.
2.
3.
4.
5.
6.