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Heartstone

three generic manaArtifact

Card text

Activated abilities of creatures cost one generic mana less to activate. This effect can't reduce the mana in that cost to less than one mana.

"Finding a true heartstone is even harder than finding a true heart." —Hanna

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Showing Stronghold#134

Price

2.93 $

12 printings

Daily estimate from Scryfall, not a shop quote.

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Heartstone rulings

  • Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.

  • Can’t reduce Snow mana costs.

  • The cost reduction can be applied to additional costs.

  • It will not add a one generic mana to abilities with no generic mana in their activation cost.

  • It will never reduce any colored mana portion of an activation cost.

Heartstone format legality

Constructed

  • StandardNot legal
  • PioneerNot legal
  • ModernNot legal
  • Future StandardNot legal

Eternal

  • LegacyLegal
  • VintageLegal
  • PauperNot legal
  • PremodernLegal
  • Old SchoolNot legal
  • Penny DreadfulNot legal

Commander

  • CommanderLegal
  • OathbreakerLegal
  • Pauper CommanderNot legal
  • Duel CommanderLegal
  • PreDHLegal

Arena & online

  • HistoricNot legal
  • TimelessNot legal
  • AlchemyNot legal
  • GladiatorNot legal
  • BrawlNot legal
  • Standard BrawlNot legal
  • Competitive BrawlNot legal

Other

  • TLRLegal

All printings of Heartstone 12

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