Stone Calendar
Mana cost
Mana value5TypeArtifact
Color identity
Colorless
RarityUncommon
SetMasters Edition (ME1)
ArtistAmy Weber
Price€8.90 · $15.10
Mana value5TypeArtifact
Color identity Colorless
RarityUncommon
SetMasters Edition (ME1)
ArtistAmy Weber
Price€8.90 · $15.10Stone Calendar
Artifact
Spells you cast cost 
less to cast.
less to cast.The Pretender Mairsil ordered a great calendar drawn up to show when the paths to the Dark Lands were strongest.
Legality
CommanderLegalStandardNot legalPioneerNot legalModernNot legalLegacyLegalVintageLegalPauperNot legalBrawlNot legalOathbreakerLegalHistoricNot legalTimelessNot legalPenny DreadfulNot legal
Rulings
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.