Heartstone card art

Heartstone

Artifact MV 3

Tracked across real Commander games played through TurnZero HQ.

What it does

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

Combos with Heartstone

The lines this card is part of, what it needs alongside it, and what the cards do together. An infinite result is the one that moves a deck's bracket.

Showing the 8 shortest and most explosive. This card appears in more than these. Follow any of them through to Commander Spellbook to browse the rest.

Combo data from Commander Spellbook, the community-maintained database of Magic combos. Mirrored nightly.

Rulings

5 official rulings, in the order Wizards published them.

  • 2004-10-04

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

  • 2004-10-04

    It will not add a 1 to abilities with no generic mana in their activation cost.

  • 2004-10-04

    The cost reduction can be applied to additional costs.

  • 2006-07-15

    Can’t reduce Snow mana costs.

  • 2016-06-08

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

Rulings are Wizards of the Coast's own, mirrored from Scryfall and refreshed nightly.

In the 99

Every deck whose current list includes Heartstone, whatever its commander.

Decks running it 1
Games played 6
Win rate 66.7%
Confirmed on board 0 Games where a board photo caught it actually in play.

Most played under

Commander Decks Games Win rate
Karn, Gilded Guardian 1 6 66.7%

Colors it shows up in

  • Five-Color 1 deck

Heartstone price history

The Stronghold #134 printing, as Scryfall reports the TCGplayer market. Updated nightly.

Non-foil today$3.12▼ $0.15 (4.6%)
Low $3.10 · High $3.27Tracked since Sep 28, 2026
Every recorded price change
DateNon-foil
Oct 5, 2026$3.12
Oct 3, 2026$3.12
Oct 2, 2026$3.10
Oct 1, 2026$3.15
Sep 30, 2026$3.18
Sep 29, 2026$3.16
Sep 28, 2026$3.27

A row is recorded only on nights the price moved, so each price held until the row above it.

Every version of Heartstone

4 printings, newest first. Prices are the market figures Scryfall publishes, refreshed nightly. A printing with no figure shows a dash rather than a zero, because Scryfall publishes none for some of them. Click a card's art to chart that version's price above.

Prices from Scryfall, which tracks the TCGplayer and Cardmarket markets. They move daily and are a guide rather than a quote. Search TCGplayer for Heartstone. It runs a name search across every version, which covers the printings TCGplayer publishes no direct link to.

Aggregated from Commander games tracked in TurnZero HQ. Every figure counts decks and games only. No individual deck list, player or playgroup is identified. Win rates are withheld below 5 completed games, where the sample is too small to mean anything.