| 8/1/2008 |
Chroma abilities check only mana costs, which are found in a card's upper right corner. They don't count mana symbols that appear in a card's text box. |
| 8/1/2008 |
Chroma abilities count hybrid mana symbols of the appropriate color. For example, a card with mana cost   has two red mana symbols in its mana cost. |
| 8/1/2008 |
If there are fewer than ten cards in your library, reveal them all. For each blue mana symbol in those cards' mana costs, the targeted opponent puts the top card of their library into their graveyard. Then you reorder your entire library as you choose. |
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