Sprouting Thrinax, Nim Deathmantle, and Ashnod's Altar

Prerequisites

• Sprouting Thrinax on the battlefield
• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Sprouting Thrinax, adding
2. Sprouting Thrinax dies, triggering itself and Nim Deathmantle
3. Resolve the Sprouting Thrinax trigger, creating three 1/1 Saproling creature tokens
4. Activate Ashnod's Altar by sacrificing a Saproling, adding
5. Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Sprouting Thrinax from your graveyard to the battlefield, and attach Nim Deathmantle to it
6. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers