Dargo, the Shipwrecker | Ruthless Technomancer | Helm of the Host

Cards

Ruthless Technomancer in hand.
Dargo and
Helm of the Host on the battlefield.
You have sacrificed a number of artifacts and/or creatures this turn equal to the number of times you've cast
Dargo from the command zone this game minus four.
({5} magic symbol) ({B} magic symbol) available.

Cast
Ruthless Technomancer by paying ({3} magic symbol) ({B} magic symbol) .
When
Ruthless Technomancer enters the battlefield, it triggers, causing you to sacrifice
Dargo and create seven Treasure artifact tokens.
Choose to return
Dargo to the command zone from your graveyard.
Activate three Treasure tokens by tapping and sacrificing them, adding ({3} magic symbol) .
Activate
Helm of the Host's equip ability by paying ({5} magic symbol) , attaching it to
Ruthless Technomancer.
At the beginning of your combat phase,
Helm of the Host triggers, creating a token copy of
Ruthless Technomancer.
When the
Ruthless Technomancer token enters the battlefield, it triggers, causing you to sacrifice
Ruthless Technomancer and create two Treasure artifact tokens.
Cast
Dargo from the command zone by paying ({R} magic symbol) .
Activate four Treasures by tapping and sacrificing them, adding ({2} magic symbol) ({B} magic symbol) ({R} magic symbol) .
Activate the
Ruthless Technomancer token by paying ({2} magic symbol) ({B} magic symbol) and sacrificing two Treasures, returning the nontoken
Ruthless Technomancer from your graveyard to the battlefield.
When the nontoken
Ruthless Technomancer enters the battlefield, it triggers, causing you to sacrifice
Dargo and create seven Treasure artifact tokens.
Choose to return
Dargo to the command zone from your graveyard.
Cast
Dargo by paying ({R} magic symbol) and sacrificing
Ruthless Technomancer.
Repeat from step 9.