Widespread Annihilation [DTD137] (Dusk till Dawn)

Rune Gate (If you control Runechants equal to or greater than Widespread Annihilation's [1 Resource] cost, you may play it from your banished zone without paying its [1 Resource] cost.)
When the combat chain closes, each hero who has lost [Life] this turn banishes a card from their hand.
Blood Debt (While this is in your banished zone, at the beginning of your end phase, lose 1 [Life].)