Death's Presence, Ashnod's Altar, and Spike Breeder

Prerequisites

• Death's Presence on the battlefield
• Ashnod's Altar on the battlefield
• Spike Breeder on the battlefield
• Spike Breeder has at least two +1/+1 counters on it
• available

Steps

1. Activate Spike Breeder's second ability by paying and removing a +1/+1 counter from it, creating a 1/1 Spike creature token
2. Activate Ashnod's Altar by sacrificing the Spike, adding
3. When the Spike dies, Death's Presence triggers, putting a +1/+1 counter on Spike Breeder
4. Repeat

Results

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