Spoilers!

Known information for Defiance:

• 250+ cards
• Defiance will release in December
• Pledge: On your first turn, a card with Pledge can be played as a Sigil.
• Renown: Does something the first time you play a spell or weapon directly on it
• Amplify: Amplify allows you to increase the effect of your spells as many times as you want as long as you have the power.
• Sites: Full Rules
• Defiance will release this Thursday, December 13 following a downtime beginning at 7 am MST (14:00 UTC)

If you know of spoilers not listed here please contact kaelari with the information