Heartstone

Heartstone

Artifact

Set

The List (plst)

Rarity

Uncommon

Mana Cost
3
Price · Cardmarket trend

€1.27

Artist

John Matson

Cardmarket trend via Scryfall, as of 10/28/2026. May differ from the actual price.

Oracle Text

Activated abilities of creatures cost 1 less to activate. This effect can't reduce the mana in that cost to less than one mana.

Community

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Rulings (5)

  • Wizards of the Coast
    It will never reduce any colored mana portion of an activation cost.
  • Wizards of the Coast
    It will not add a 1 to abilities with no generic mana in their activation cost.
  • Wizards of the Coast
    The cost reduction can be applied to additional costs.
  • Wizards of the Coast
    Can’t reduce Snow mana costs.
  • Wizards of the Coast
    Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.

Other Printings

The List (plst) €1.98 Premium Deck Series: Slivers (h09) Stronghold (sth) €1.52