Abrupt Decay

Text:

Rulings:

• 3/14/2017 The converted mana cost of a creature token is 0, unless that token is a copy of another creature, in which case it copies that creature’s mana cost.
• 3/14/2017 If a permanent has <img src="/Handlers/Image.ashx?size=small&amp;name=X&amp;type=symbol" alt="Variable Colorless" align="absbottom" /> in its mana cost, X is considered to be 0.