Artifact
Activated abilities of creatures cost 
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* navigatorHeartstone
Artwork unavailable- wotc
Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.
- wotc
Can’t reduce Snow mana costs.
- wotc
It will never reduce any colored mana portion of an activation cost.
- wotc
It will not add a {1} to abilities with no generic mana in their activation cost.
- wotc
The cost reduction can be applied to additional costs.
Format legality
Legality follows the dated Scryfall catalog snapshot.
For draft and prerelease, check the event’s release and rules. Missing statuses stay unavailable.
Official Magic rules| Format | Status |
|---|---|
| Standard | Not legal |
| Pioneer | Not legal |
| Modern | Not legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Oathbreaker | Legal |
| Alchemy | Not legal |
| Historic | Not legal |
| Brawl | Not legal |
| Comp. Brawl | Not legal |
| Timeless | Not legal |
| Pauper | Not legal |
| Duel | Legal |
For draft and prerelease, check the event’s release and rules.
Viewing this printing
About this printingSet, collector number and language identify this edition. Reference prices are dated snapshots, not live offers or stock. Checked dates show successful price checks; Catalog dates show imported prices. Refresh due means an update is due. USD references come from TCGplayer; EUR references come from Cardmarket, via Scryfall. Missing prices are unavailable.
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View printing on ScryfallPremium Deck Series: Slivers
En · Paper · MTGO
Foil$5.67 USD
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