Ghired, Mirror of the Wilds, There and Back Again, and Aggravated Assault

Prerequisites

• Ghired, Mirror of the Wilds 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, putting a lore counter on it
2. There and Back Again's third chapter ability triggers, creating a legendary 6/6 Smaug creature token and causing you to sacrifice There and Back Again
3. Activate Ghired by tapping it, creating a copy of the Smaug token
4. Put either Smaug token into your graveyard due to the legend rule
5. When the Smaug token dies, it triggers, creating fourteen Treasure tokens
6. Activate five Treasure tokens by tapping and sacrificing them, adding
7. Activate Aggravated Assault by paying , untapping all creatures you control and causing you to get an additional combat phase after this one
8. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite death triggers
• Infinite Treasure tokens
• Infinite copies of tokens you control that entered the battlefield this turn
• Infinite combat phases
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce