There and Back Again, Caretaker's Talent, and Meticulous Excavation

Prerequisites

• There and Back Again on the battlefield
• Caretaker's Talent on the battlefield
• Meticulous Excavation on the battlefield
• There and Back Again has exactly two lore counters on it
• Caretaker's Talent is level 1
• 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. Caretaker's Talent's first ability triggers, causing you to draw a card
4. Activate Caretaker's Talent by paying , putting a level counter on it
5. Caretaker's Talent's second ability triggers, creating a copy of the Smaug token
6. Put either Smaug token into your graveyard due to the legend rule
7. The Smaug token that died triggers, and Caretaker's Talent's first ability triggers if it hasn't yet triggered this turn
8. Resolve the Caretaker's Talent trigger, if applicable, causing you to draw a card
9. Resolve the Smaug trigger, creating fourteen Treasure tokens
10. Activate seven Treasures by tapping and sacrificing them, adding
11. Activate Meticulous Excavation by paying , returning Caretaker's Talent from the battlefield to your hand
12. Cast Caretaker's Talent by paying
13. Repeat from step 4

Results

• Infinite card draw
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite storm count
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite colored mana
• Near-infinite Treasure tokens