Nim Deathmantle, Ashnod's Altar, and Wingmantle Chaplain

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Wingmantle Chaplain on the battlefield
• You control at least two creatures with defender
• available

Steps

1. Activate Ashnod's Altar by sacrificing Wingmantle Chaplain, adding
2. Wingmantle Chaplain dies, triggering Nim Deathmantle, causing you to pay to return Wingmantle Chaplain from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. When Wingmantle Chaplain enters the battlefield, its first ability triggers, creating at least two 1/1 Bird creature tokens
4. Activate Ashnod's Altar by sacrificing a Bird, adding
5. Repeat

Results

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