Atsushi, the Blazing Sky, Splinter Twin, Clock of Omens, and Unctus, Grand Metatect

Prerequisites

• Atsushi, the Blazing Sky on the battlefield
• Splinter Twin on the battlefield
• Clock of Omens on the battlefield
• Unctus, Grand Metatect on the battlefield
• available

Steps

1. Turn Atsushi into an artifact using Unctus
2. Activate Atsushi by tapping it, creating a token copy of it with haste
3. Put the Atsushi token into your graveyard due to the legend rule
4. When the Atsushi token dies, it triggers, creating three Treasure tokens
5. Activate Clock of Omens by tapping two Treasures, untapping Atsushi
6. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite death triggers
• Infinite Treasure tokens
• Exile your library with the ability to play the exiled cards until end of turn