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Thran Turbine
Artifact
At the beginning of your upkeep, you may add colorless mana colorless mana . This mana can't be spent to cast spells.
When Urza asked the viashino what it did, they answered: "It hums."
Rulings (1)
Any of this mana that isn’t spent during your upkeep step will be removed before your draw step begins. You cannot save it to be spent on the card you will draw this turn.
Jan 25, 2011
Legality
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