Antler Skulkin, Ashnod's Altar, and Custodi Soulbinders

Prerequisites

• Antler Skulkin on the battlefield
• Ashnod's Altar on the battlefield
• Custodi Soulbinders on the battlefield
• Custodi Soulbinders does not have a -1/-1 counter on it
• You control at least one additional creature
• available

Steps

1. Activate Antler Skulkin by paying , giving Custodi Soulbinders persist until end of turn
2. Activate Ashnod's Altar by sacrificing Custodi Soulbinders, adding
3. When Custodi Soulbinders dies, its persist ability triggers, returning it to the battlefield from your graveyard with at least one +1/+1 counter on it due to its first ability
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers