The lower your selling costs, the higher your profit margin
I dont generally like advocating for five-mana spells against aggro decks, but the fact that a five-mana creature cant be Fatal Pushed or Duressed might be enough to make me consider Lyra Dawnbringer and Archangel Avacyn as good ways to turn the corner against them if I have the early-game covered
EB01-046-brook can only KO 0-cost Characters, so we need to have the resources to drop something down to 1-cost, play EB01-046-brook, use his -1 cost reduction effect, and KO the target
Cards that have only one colored pip in their mana cost, like Gurmag Angler, are generally better than cards that have two or more colored pips, like Tombstalker
Like other types of promos and variants, they will be added as soon as pricing is available and we will update this post and send a ping out to any users with the @newcards role on discord when we get them added