Bilbo, Retired Burglar, Myojin of Cryptic Dreams, Xorn, and Aggravated Assault

Prerequisites

• Bilbo, Retired Burglar on the battlefield
• Myojin of Cryptic Dreams on the battlefield
• Xorn in hand
• Aggravated Assault on the battlefield
• Myojin of Cryptic Dreams has at least one indestructible counter on it
• Bilbo does not have summoning sickness and cannot be blocked by an opponent
• available

Steps

1. Cast Xorn by paying
2. Holding priority, activate Myojin by removing an indestructible counter from it, copying the Xorn spell three times
3. Resolve all Xorn spells
4. Deal combat damage to an opponent using Bilbo
5. Bilbo's second ability triggers, creating five Treasure tokens due to the four Xorns
6. Move to your postcombat main phase
7. Activate the Treasures by tapping and sacrificing them, adding
8. 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
9. Repeat from step 4

Results

• Infinite combat damage
• Infinite combat phases
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control