Antler Skulkin, Ashnod's Altar, and Phantom Nomad

Prerequisites

• Antler Skulkin on the battlefield
• Ashnod's Altar on the battlefield
• Phantom Nomad on the battlefield
• Phantom Nomad does not have a -1/-1 counter on it
• available

Steps

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

Results

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