Atsushi, the Blazing Sky, Mortuary, Teysa Karlov, and Ashnod's Altar

Prerequisites

• Atsushi, the Blazing Sky on the battlefield
• Mortuary on the battlefield
• Teysa Karlov on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Atsushi, adding
2. When Atsushi dies, it and Mortuary trigger twice
3. Resolve both Mortuary triggers, putting Atsushi on top of your library from your graveyard
4. Resolve the first Atsushi trigger, causing you to exile the top two cards of your library with the ability to play them until the end of your next turn
5. Resolve the second Atsushi trigger, creating three Treasure tokens
6. Activate two Treasure tokens by tapping and sacrificing them, adding
7. Cast Atsushi from exile by paying
8. Repeat

Results

• Exile your library
• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count
• Infinite Treasure tokens