Price$13.82
Buy on TCGplayerStone Calendar
Artifact
LegalReserved ListEDHREC #19,783
Spells you cast cost 
less to cast.
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Printings (1)
Rulings (2)
- 2004-10-04
Does not change the mana cost of the spell, it just reduces what you pay for it.
- 2004-10-04
You may choose not to apply Stone Calendar’s cost reduction effect.