Brudiclad, Telchor Engineer, There and Back Again, and Aggravated Assault

Prerequisites

• Brudiclad, Telchor Engineer on the battlefield
• There and Back Again on the battlefield
• Aggravated Assault on the battlefield
• There and Back Again has exactly two lore counters on it

Steps

1. At the beginning of your precombat main phase, There and Back Again triggers, creating a legendary 6/6 Smaug creature token, and causing you to sacrifice There and Back Again
2. At the beginning of your combat phase, Brudiclad triggers, creating a 2/1 Phyrexian Myr artifact creature token, then causing all tokens you control to become copies of the Smaug token
3. Put all but one Smaug token into your graveyard due to the legend rule
4. When the Myr dies, it triggers, creating fourteen Treasure tokens
5. Move to your postcombat main phase
6. Activate five Treasures by tapping and sacrificing them, adding
7. Activate Aggravated Assault by paying , causing you to untap all creatures you control and to get an additional combat and main phase after this one
8. Repeat from step 2

Results

• Infinite colored mana
• Infinite combat phases
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite Treasure tokens
• Infinite untap of creatures you control