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Heartstone (H09) [The List]

$1.36
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Set: The List
Type: Artifact
Rarity: Uncommon
Cost: {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.
"Finding a true heartstone is even harder than finding a true heart." —Hanna, *Weatherlight* navigator