Scorched Rusalka + Mikaeus, the Unhallowed + Luminous Broodmoth + 1 more

Activate Scorched Rusalka by paying and sacrificing Jewel-Eyed Cobra.

Jewel-Eyed Cobra dies, triggering itself, it's undying ability and Luminous Broodmoth.

Resolve the first Jewel-Eyed Cobra trigger, creating a Treasure token.

Resolve the Luminous Broodmoth trigger, returning Jewel-Eyed Cobra from your graveyard to the battlefield with a flying counter on it.

Resolve the second Jewel-Eyed Cobra trigger, failing to return it to the battlefield.

Resolve the Scorched Rusalka ability from step 1, dealing 1 damage to target player or planeswalker.

Activate the Treasure token by tapping and sacrificing it, adding .

Activate Scorched Rusalka by paying and sacrificing Jewel-Eyed Cobra.

Jewel-Eyed Cobra dies, triggering itself and it's undying ability.

Resolve the first Jewel-Eyed Cobra trigger, creating a Treasure token.

Resolve the second Jewel-Eyed Cobra trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.

Resolve the Scorched Rusalka ability from step 8, dealing 1 damage to target player or planeswalker.

Activate the Treasure token by tapping and sacrificing it, adding .

Activate Scorched Rusalka by paying and sacrificing Jewel-Eyed Cobra.

Jewel-Eyed Cobra dies, triggering itself and Luminous Broodmoth.

Resolve the first Jewel-Eyed Cobra trigger, creating a Treasure token.

Resolve the Luminous Broodmoth trigger, returning Jewel-Eyed Cobra from your graveyard to the battlefield with a flying counter on it.

Repeat from step 6.