Cliffs of the Spirit Dragon

{t}: Add {c}. If this mana was spent to cast a colorless, nonartifact spell you may draw a card.
Cliffs of the Spirit Dragon only untaps during
your untap step if you have casted 2 or more colorless spells during your last turn.
"It's strange that even though me and Ugin are
complete opposites, we agree on the same basic laws of
life."
-Reyar