Guardian of the Shadowrealm (MON192) (Unlimited Edition) - Monarch

Action - [2 Resource]: Return Guardian of the Shadowrealm from your banished zone into your hand. Activate this ability only while Guardian of the Shadowrealm is in your banished zone.
Blood Debt (At the beginning of your end phase, if Guardian Demon is in your banished zone, lose 1[Life].)