The Challenger keyword boosts their strength - allowing them to damage an opponent by an extra two points - while Resist reduces the damage received in return by two, making it less costly to send the selected character into a challenge
However, Fanatical Offering, does synergize well with Dispute
It's not like there's an archetype that relies on low-cost, low-to-the-ground creatures to win games swiftly, right
Once you have Laboratory Maniac in play and Demonic Consultation in hand you can win
The most restrictive thing about building with this combo is of course the deckbuilding restrictions that come with needing to support Blue cards alongside a card with mana cost BBBBBB
The same is true whether youre on Kykar or Ranar, Edgar or Strefan, or even running a Nazgul deck with Tales of Middle-earth cards