Prerequisites
- Go-Shintai of Life's Origin on the battlefield
- There and Back Again on the battlefield
- Clock of Omens on the battlefield
- Contagion Engine on the battlefield
- Encroaching Mycosynth on the battlefield
- Go-Shintai does not have summoning sickness
- There and Back Again has exactly two lore counters on it
- if you don't control a Smaug token available
Steps
- At the beginning of your precombat main phase, There and Back Again triggers, putting a lore counter on it
- 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
- If you control two Smaugs, put one into your graveyard due to the legend rule
- If you do, the Smaug that died triggers, creating fourteen Treasure tokens
- If you made Treasures this way, activate nine Treasures by tapping and sacrificing them, adding
- Activate Go-Shintai by paying and tapping it, returning There and Back Again from your graveyard to the battlefield with a lore counter on it
- There and Back Again's first chapter ability triggers, causing the Ring to tempt you
- Activate Contagion Engine by paying and tapping it, putting two lore counters on There and Back Again
- There and Back Again's second and third chapter abilities trigger
- Holding priority, activate Clock of Omens twice by tapping four artifacts, untapping Contagion Engine and Go-Shintai
- Resolve the second There and Back Again trigger, causing you to search your library for a Mountain and put it onto the battlefield
- Resolve the third There and Back Again trigger, creating a legendary 6/6 Smaug creature token and causing you to sacrifice There and Back Again
- Repeat from step 3
Results
- Infinite colored mana
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite proliferate
- Infinite Treasure tokens
- Put all Mountains from your library onto the battlefield
- Infinite mana nonland permanents you control can produce
- Infinite untap of nonland permanents you control
Required Cards 5
Go-Shintai of Life's Origin
Legendary Enchantment Creature — Shrine
There and Back Again
Enchantment — Saga
Encroaching Mycosynth
Artifact