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Heartstone

Heartstone

Artifact

Mana cost: {3}

Mana value: 3

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

Printings: 4

Format Legality

Standard
Pioneer
Modern
Commander
Legacy
Vintage
Pauper
Historic
Timeless

Commander Decks Using Heartstone

Used in 12 of 8,336 Commander decks in the MTG Compendium database (0.1%)

Top Commanders Using Heartstone

Ultron, Artificial Malevolence
Commander: Ultron, Artificial Malevolence
Stephan Hodgemire · CEDH Locals · Nov 1, 2026
#3
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Phil Cooper [TILT] · Mulligan Championship Series - October w/ Guaranteed Volcanic Island · Oct 4, 2026
#5
Ultron, Artificial Malevolence
Commander: Ultron, Artificial Malevolence
Stephan Hodgemire · Mana Masters RTG Qualifier · Oct 17, 2026
#6
Urza, Lord High Artificer
Commander: Urza, Lord High Artificer
Delmer Holton · Bards and Cards C-EDH Dry Tortuga · Sep 13, 2026
#8
Ultron, Artificial Malevolence
Commander: Ultron, Artificial Malevolence
Stephan Hodgemire · Mithril Adventures Cedh Reality Fracture Win A Box Invitational · Oct 24, 2026
#9
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Julian Kremers · DDM Monthly League #5 · Oct 17, 2026
#9
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Logan Martin · CEDH Win-A-Dual October · Oct 31, 2026
#12
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Aydin Croissant · Commander Invitational Qualifier - The Side Deck · Sep 19, 2026
#13
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Rourke · Commander Invitational Qualifier - Half-Dragon Games · Oct 17, 2026
#14
Omarthis, Ghostfire Initiate
Commander: Omarthis, Ghostfire Initiate
Manuel coraggio · Rule Them All - cEDH Tournament 2026 · Sep 27, 2026
#18
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Chad Sziszak · C&S Presents: The Summit · Sep 27, 2026
#22
Grenzo, Dungeon Warden
Commander: Grenzo, Dungeon Warden
Aydin Croissant · CCS $3,000 Sunday Side Event #4 · Sep 27, 2026
#44

Printings

Heartstone
The List · #H09-26
Heartstone
The List · #STH-134
Heartstone
Premium Deck Series: Slivers · #26
Heartstone
Stronghold · #134