Dargo, the Shipwrecker, Mardu Siegebreaker, and Ruthless Technomancer

Prerequisites

• Dargo, the Shipwrecker on the battlefield
• Mardu Siegebreaker in hand
• Ruthless Technomancer in hand
• available

Steps

1. Cast Ruthless Technomancer by paying
2. When Ruthless Technomancer enters the battlefield, it triggers, causing you to sacrifice Dargo and create seven Treasure artifact tokens
3. Choose to return Dargo to the command zone from your graveyard
4. Activate five Treasures by tapping and sacrificing them, adding
5. If you cannot currently cast Dargo for , including commander tax, activate a Treasure by tapping and sacrificing it, adding one mana of any color
6. Repeat this until you can cast Dargo for and/or you run out of Treasures
7. Cast Dargo from the command zone by paying at most
8. Cast Mardu Siegebreaker by paying
9. When Mardu Siegebreaker enters the battlefield, its first ability triggers, exiling Ruthless Technomancer until Mardu Siegebreaker leaves the battlefield
10. Declare Mardu Siegebreaker as an attacker, triggering its second ability, creating a token copy of Ruthless Technomancer that is tapped and attacking
11. When the Ruthless Technomancer token enters the battlefield, it triggers, causing you to sacrifice Mardu Siegebreaker and create four Treasure tokens
12. When Mardu Siegebreaker leaves the battlefield, the nontoken Ruthless Technomancer returns to the battlefield from exile
13. When the nontoken Ruthless Technomancer enters the battlefield, it triggers, causing you to sacrifice Dargo and create seven Treasure tokens
14. Choose to return Dargo to the command zone from your graveyard
15. Move to your postcombat main phase
16. Activate four Treasures by tapping and sacrificing them, adding
17. Cast Dargo from the command zone by paying and sacrificing the nontoken Ruthless Technomancer
18. Activate the token Ruthless Technomancer by paying and sacrificing two Treasures, returning the nontoken Ruthless Technomancer from your graveyard to the battlefield
19. Repeat from step 12, skipping step 14 as you are already in a main phase

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite Treasure tokens
• Infinite commander casts