There and Back Again, and Clockspinning

Prerequisites

• There and Back Again on the battlefield
• Clockspinning in hand
• available

Steps

1. At the beginning of your precombat main phase, There and Back Again triggers, putting a lore counter on it and triggering its third chapter ability
2. Holding priority, cast Clockspinning with buyback by paying , removing a lore counter from There and Back Again and returning Clockspinning to your hand
3. Resolve the There and Back Again ability, creating a 6/6 Smaug legendary creature token
4. Cast Clockspinning with buyback by paying , putting a lore counter from There and Back Again and returning Clockspinning to your hand
5. There and Back Again's third chapter ability triggers
6. Holding priority, cast Clockspinning with buyback by paying , removing a lore counter from There and Back Again and returning Clockspinning to your hand
7. Resolve the There and Back Again ability, creating a 6/6 Smaug legendary creature token
8. Put either Smaug into your graveyard due to the legend rule
9. The Smaug that dies triggers, creating fourteen Treasure tokens
10. Activate eight Treasure tokens by tapping and sacrificing them, adding
11. Repeat from step 4

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite death triggers
• Infinite storm count
• Infinite magecraft triggers
• Infinite Treasure tokens
• Put all Mountains from your library onto the battlefield