First, posting the rules for T2 decks:
Rules for Type 2
The new rulebook does not contain these rules, and so they are transcribed here for reference.
TYPE II Deck Building Rules
Your deck must contain a minimum of 100 cards.
A deck may contain no more than four (4) of any card.
A deck may contain no more than three (3) of any Fortress, Artifact, Covenant, or Curse.
A deck may contain no more than two (2) of any Enhancement, Hero, or Evil Character with exactly two brigades.
Maximum of 1 of each in a deck:- Enhancements, Heroes, or Evil Characters with three or more brigades.
- Dominant (lamb icon or grim reaper icon card).
Maximum of 1 of each per 50 cards in a deck:- Lost Soul card that has a special ability.
- Site with a special ability.
Other Rules:
The number of good cards and the number of evil cards in the deck MUST be equal.
The number of sites may not exceed the number of Lost Souls in a deck.
Games are played to 7 Lost Souls for victory.
The Rescuer’s Choice and Experience Credit optional rules are standard.
To your questions.
From the REG:
Character cards with the same card title and the same art or with the same title and the same brigade are considered duplicates for deck building purposes.
1. So they are considered the same card if the art or brigade match. If neither of those match (as with Peter), then each is counted as separate types of cards, and you could have 4. See David variants for another great example of different art and brigade.
2. As in the above rules, you may have 1 special ability soul per 50 cards in deck.
