Mondrak, Glory Dominus, Krark-Clan Ironworks, and Pentavus

Prerequisites

• Mondrak, Glory Dominus on the battlefield
• Krark-Clan Ironworks on the battlefield
• Pentavus on the battlefield
• 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 Krark-Clan Ironworks 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 creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers