KeyForge: Crucible Clash is a special KeyForge set designed specifically for competitive sealed play. 

Each Crucible Clash deck consists of three of seven different houses of the Crucible, each featuring a mix of new cards and classic favorites. Plus, each deck includes a special new Archon Power selectively chosen from 28 options for the deck based on the other cards within. 

KeyForge: Crucible Clash decks are legal for  sealed tournaments against other Crucible Clash  decks, but only legal in Archon or Alliance  tournament formats without Archon Powers. 

• Special set featuring new Archon Powers, with 28 options 
• Designed for sealed play, enjoyable against all sets 
• Set has 50+ new cards, and 200+ returning classics 
• Cards within the deck determine the Archon Power selected 
• Supplies are limited!