Heartstone (H09 #26)
Heartstone is a uncommon printing from Premium Deck Series: Slivers (H09 #26), a Artifact. Illustrated by John Matson.
Card 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.
"Finding a true heartstone is even harder than finding a true heart."
—Hanna, *Weatherlight* navigator
Details
| Mana cost | {3} |
|---|---|
| Type | Artifact |
| Rarity | Uncommon |
| Set | Premium Deck Series: Slivers (H09) |
| Collector number | 26 |
| Artist | John Matson |
| Released | 2009-11-20 |
Current price
As of 2026-10-19, Scryfall listed this printing at foil $5.86 (USD). Prices change constantly, so check the live price before buying.
Legality
| Standard | Not legal |
|---|---|
| Future Standard | Not legal |
| Historic | Not legal |
| Timeless | Not legal |
| Gladiator | Not legal |
| Pioneer | Not legal |
| Modern | Not legal |
| Legacy | Legal |
| Pauper | Not legal |
| Vintage | Legal |
| Penny Dreadful | Not legal |
| Commander | Legal |
| Oathbreaker | Legal |
| Standard Brawl | Not legal |
| Brawl | Not legal |
| Competitive Brawl | Not legal |
| Alchemy | Not legal |
| Pauper Commander | Not legal |
| Duel Commander | Legal |
| Old School | Not legal |
| Premodern | Legal |
| PrEDH | Legal |
| TLR | Legal |
Keep exploring
Search the MTGBrew card database for more cards, or build a deck with the AI Deck Builder.
Rulings
- October 4, 2004 — The cost reduction can be applied to additional costs.
- October 4, 2004 — It will not add a {1} to abilities with no generic mana in their activation cost.
- October 4, 2004 — It will never reduce any colored mana portion of an activation cost.
- July 15, 2006 — Can’t reduce Snow mana costs.
- June 8, 2016 — Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.