Heartstone 
Artifact
Oracle text (EN)
Artifact
Activated abilities of creatures cost 
less to activate. This effect can't reduce the mana in that cost to less than one mana.
Printing details
- Set
- H09 · 26
- Rarity
- Uncommon
- Language
- EN
- Artist
- John Matson
- Released
- 2009-11-20
- Prices
- €2.00 · $5.94
Price history
The trend shows with at least 7 days of history.
- Cardmarket, trend
- CardTrader, Near Mint minimum (EN)
The history starts on October 28, 2026 and grows every day.
Show the data
| Date | Cardmarket, trend | CardTrader, Near Mint minimum (EN) |
|---|---|---|
| November 2, 2026 | €2.12 | €2.25 |
| October 31, 2026 | €2.00 | €2.25 |
| October 28, 2026 | €2.02 | €2.25 |
Prices
| Source | Non-foil | Foil |
|---|---|---|
| Cardmarket | low €1.49 trend €0.00 30-day avg – | low €1.49 trend €2.12 30-day avg €2.02 |
| CardTrader (EN) | NM from – | NM from €2.25 with Zero from €2.92 |
| CardTrader (any language) | NM from – | NM from €2.25 |
Cardmarket updated Nov 2, 2026 · CardTrader updated Nov 2, 2026
Buy and look up
Legality
- standard Not legal
- pioneer Not legal
- modern Not legal
- legacy Legal
- vintage Legal
- commander Legal
- pauper Not legal
- alchemy Not legal
- brawl Not legal
- competitivebrawl Not legal
- duel Legal
- future Not legal
- gladiator Not legal
- historic Not legal
- oathbreaker Legal
- oldschool Not legal
- paupercommander Not legal
- penny Not legal
- predh Legal
- premodern Legal
- standardbrawl Not legal
- timeless Not legal
- tlr Legal
Rulings
-
It will never reduce any colored mana portion of an activation cost.
-
It will not add a
to abilities with no generic mana in their activation cost. -
The cost reduction can be applied to additional costs.
-
Can’t reduce Snow mana costs.
-
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.