Shadowrealm Horror [MST236] (Part the Mistveil)

As an additional cost to play this, banish 3 random cards in your graveyard. If 1 or more cards with 6 or more POWER are banished this way, this gets +1POWER. 2 or more, this gets go again. 3 or more, you can play a card banished this way this turn. Blood Debt (While this is in your banished zone, at the beginning of your end phase, lose 1 LIFE.