Dimenxxional Vortex

You may play this from your banished zone.

If you play this from your banished zone, this costs

less to play.

Each hero banishes a card from their arsenal.

Blood Debt

Rulings

From the Dusk till Dawn release notes

You may not play this from your banished zone if it is face-down.
If a player has two or more cards in their arsenal, they choose which of those cards to banish, not you.
Each player is considered to have banished their own card in the arsenal. You are not considered to have banished those cards (other than your own card in arsenal).

Keyword notes

Blood Debt - Blood Debt is a new keyword existing on Shadow cards. Shadow cards can inflict a loss of life to access a greater power. At the end of your turn, you lose 1{h} for each blood debt card in your banished zone.

You only lose life at the end phase. Players do not have priority during the end phase.
If you have multiple cards with blood debt, you lose 1 for each instance of blood debt at the end of turn.
Only face-up cards banished with blood debt counts and will lose you . Face-down banished cards have no effects or stats.