There and Back Again, Dutiful Replicator, and Deadeye Navigator

Prerequisites

• There and Back Again on the battlefield
• Dutiful Replicator on the battlefield
• Deadeye Navigator on the battlefield
• Deadeye Navigator is paired with Dutiful Replicator
• There and Back Again has exactly two lore counters on it
• available

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 Dutiful Replicator by paying , blinking it
4. When Dutiful Replicator enters the battlefield, it and Deadeye Navigator's soulbond ability trigger
5. Resolve the Deadeye Navigator trigger, repairing it and Dutiful Replicator
6. Resolve the Dutiful Replicator trigger, causing you to pay to create a copy of the Smaug token
7. Put one of the Smaug tokens into your graveyard due to the legend rule
8. When the Smaug dies, it triggers, creating fourteen Treasure tokens
9. Activate three Treasures by tapping and sacrificing them, adding
10. Repeat from step 3
11. Once you have infinite mana, you may instead target any other token you control using Dutiful Replicator's ability

Results

• Infinite blinking
• Infinite colored mana
• Infinite copies of all tokens you control not named Dutiful Replicator
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite Treasure tokens