Mondrak, Glory Dominus, Ashnod's Altar, and Pentavus

Prerequisites

• Mondrak, Glory Dominus on the battlefield
• Ashnod's Altar on the battlefield
• Pentavus on the battlefield
• Pentavus has at least one +1/+1 counter
• available

Steps

1. Activate Pentavus' first ability by paying and removing a +1/+1 counter from it, creating two 1/1 Pentavite artifact creature tokens
2. Activate Ashnod's Altar by sacrificing a Pentavite, adding
3. Activate Pentavus' second ability by paying and sacrificing a Pentavite, putting a +1/+1 counter on Pentavus
4. Repeat

Results

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