Step 1: Get your Google Sheets API key from Google Cloud Console
Step 2: Enter your Google Sheet ID (from the URL between /d/ and /edit)
Step 3: Enter the range (e.g., A:G for columns A-G)
Column A: Border Color (e.g., red, #FF0000, rgb(255,0,0))
Column B: Top Left Text (cost, ability icon, etc.)
Column C: Card Title
Column D: Top Right Text (cost, ability icon, etc.)
Column E: Card Body Content
Column F: Footer Text
Column G: Quantity (how many copies of this card to print)
Each row represents one card design. Leave columns blank if not needed. The first row will be skipped as headers.