You cannot have more than four of any one card in your deck do note, that this is specific to the card, not to the character on the card
How you play with/against summons varies immensely on a per game basis
Tod and Copper team up on this Enchanted Emerald Ink card, which interestingly holds the Puppy classification on it
The 60-card minimum means that youll need to build out a couple of different strategies in your deck, and if you have more in your deck (if there are 204 cards in Chapter 1, you could have up to 816 in your deck, after all) then youll need to strategise even more
Even if you dont hit the reanimation threshold, a free Raise Dead attached to an over-statted creature looks pretty decent
On her own account, she can generate a respectable two lore each turn