ハートストーン
Heartstone is a Magic: The Gathering card. Compare listings from Singapore Magic: The Gathering sellers on CardJio, then jio them on WhatsApp.
Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.
生物的起动式异能减少{1}来起动。此效应无法将该费用中的法术力减少到少于一点法术力。