Scorched Rusalka + Gleaming Barrier + Mikaeus, the Unhallowed + Soul Diviner + Intruder Alarm

Scorched Rusalka

Gleaming Barrier

Mikaeus, the Unhallowed

Soul Diviner

Intruder Alarm

How it works

1. Activate Scorched Rusalka by paying and sacrificing Gleaming Barrier.
2. Gleaming Barrier triggers, creating a treasure token.
3. Resolve the Gleaming Barrier's undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Intruder Alarm triggers, untapping all creatures.
5. Resolve the Sorched Rusalka trigger, dealing 1 damage to any target.
6. Activate the treasure token by tapping and sacrificing it, adding .
7. Activate Soul Diviner by tapping it, removing a +1/+1 counter from Gleaming Barrier.
8. Repeat.