收割火花

Text:

犧牲一個生物或支付，以作為施放此咒語的額外費用。
消滅目標生物或鵬洛客。

Rulings:

• 11/10/2020 You must sacrifice exactly one creature or pay an extra <img src="/Handlers/Image.ashx?size=small&amp;name=3&amp;type=symbol" alt="3" align="absbottom" /><img src="/Handlers/Image.ashx?size=small&amp;name=B&amp;type=symbol" alt="Black" align="absbottom" /> to cast this spell; you can’t cast it without paying one of those costs, and you can’t pay either multiple times. Players can respond to Spark Harvest only after it’s been cast and all its costs have been paid. No one can try to destroy the creature you sacrificed to stop you from casting this spell or to make it cost more mana.