Dargo, the Shipwrecker + Ruthless Technomancer + Deadpool, Trading Card

Exhibition

How it works

Dargo is one of your commanders.
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.

Cast Ruthless Technomancer by paying .
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 seven Treasure tokens by tapping and sacrificing them, adding
Cast Deadpool by paying , choosing to swap it and Ruthless Technomancer's text boxes as it enters the battlefield.
When Deadpool 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 .
Activate Deadpool by paying 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.
Activate four Treasures by tapping and sacrificing them, adding .
Cast Dargo by paying and sacrificing Ruthless Technomancer.
Repeat from step 8.

In which brackets is this combo allowed, per Spellbook's Exhibition tier?

1–2 · Exhibition & Core

Allowed in this bracket.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.