The major differences between the Unlimited Edition and Alpha Print/First Edition versions of Welcome to Rathe and Arcane Rising booster sets respectively are as follows:
• Rainbow Foil replaces Cold Foils
• All cards that could appear as a Cold Foil now appear as a Rainbow Foil
• Improvements to color and card wording
• Rarity icons added as introduced with Crucible of War
• Unlimited Edition Packaging Icon
• Unlimited Edition booster displays and packs are adorned with the red
• UNLIMITED flag for ease of recognition.
• Unlimited Editions have new barcodes and SKU.