| 9/25/2006 |
Locket of Yesterdays reduces only the amount of mana you need to pay to cast a spell. The spell's mana cost and mana value are not affected. |
| 9/25/2006 |
Colored costs can't be reduced by this effect. For example, a spell that costs   can't be reduced by more than . |
| 9/25/2006 |
The spell being cast doesn't reduce its own cost, even if you're casting it from a graveyard. At the time the cost is reduced, the spell is on the stack. |
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