Pentavus, Dross Scorpion, and Relic of Sauron

Prerequisites

• Pentavus on the battlefield
• Dross Scorpion on the battlefield
• Relic of Sauron on the battlefield

Steps

1. Activate Relic of Sauron by tapping it, adding Activate Pentavus's first ability by paying and removing a +1/+1 counter from it, creating a 1/1 Pentavite creature token
2. Activate Pentavus's second ability by paying and sacrificing the Pentavite
3. When the Pentavite dies, Dross Scorpion triggers, untapping Relic of Sauron
4. Resolve the Pentavus ability, putting a +1/+1 counter on it
5. Repeat

Results

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