Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
![Heartstone [The List]](https://cdn.shopify.com/s/files/1/0267/9501/6251/files/a182d400-4768-50a9-9b51-7dc7b72bd193.png?v=1737373675)
Heartstone [The List]
| Set: | The List |
| Rarity: | Uncommon |
The cost of each creature ability requiring an activation cost is reduced by 1. This cannot reduce an ability's generic mana cost to less then 1.
"Finding a true heartstone is even harder than finding a true heart."
—Hanna