• Common
• Description
• CostDesc / PrecostDesc
• UnlessCost
• XChoice
• xPaid
• CARDNAME
• Types of Cost
• Discard
• Draw
• Exert
• Exile
• FlipCoin
• Mana
• Mill
• Subtract(Remove) Counter
• Sacrifice
• Tap
• Untap
• Unattach
• PayEnergy
• PayLife
• GainLife
• TapXType
• Return
• Reveal
• Putting it Together