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 Heartstone | |
|---|---|
| Mana cost |  |
| Mana value | 3 |
| Type | Artifact |
| Power / Toughness | — |
| Rarity | Uncommon |
| Price | $3.33 |
| Rules text | Activated abilities of creatures cost  less to activate. This effect can't reduce the mana in that cost to less than one mana. |