Antler Skulkin, Ashnod's Altar, and Spiteful Squad

Prerequisites

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

Steps

1. Activate Antler Skulkin by paying , giving Spiteful Squad persist until end of turn
2. Activate Ashnod's Altar by sacrificing Spiteful Squad, adding
3. When Spiteful Squad dies, its persist ability and its second ability triggers
4. Resolve the first trigger, returning it to the battlefield from your graveyard with one +1/+1 counter on it due to its first ability
5. Resolve the second trigger, putting the counters that were on Spiteful Squad when it died on another creature you control
6. Repeat

Results

• Infinite +1/+1 counters
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers