Again, this doesn't matter so much over the long term because the supply of these decks will be massive, so things will even out, but for the short term, having $30 more in value is a reason to take Stalwart Unity, Breeding Lethality, or Invent Superiority over the other two decks
Arlinn is worth $19.15
Something like Showdown of the Skalds or some other way to go big is needed
Based on the latest market prices tracked on TCG Stacked, Coralhelm Guide is worth about $0.08 USD for a regular copy and $0.24 USD for a foil copy
Starter classes are most commonly shown here with cards for Black, Red and White Mages, as well as a monk, fighter and thief
Notably, Stampeding Scurryfoot is reds sole common exhaust creature, whereas blue and green have multiple options