| 5/1/2009 |
A permanent card is an artifact, creature, enchantment, land, or planeswalker card. |
| 5/1/2009 |
You may always find a permanent card with mana value 0. (If X is 0, that's all you can find.) Cards with no mana cost (such as land cards), cards with mana cost  , and cards with mana cost  all have mana value 0. |
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