Tawnos, Solemn Survivor, Aura of Dominion, and Workhorse

Prerequisites

• Tawnos, Solemn Survivor on the battlefield
• Aura of Dominion on the battlefield
• Workhorse in the graveyard
• Tawnos does not have summoning sickness
• Aura of Dominion attached to Tawnos
• You control at least two artifact tokens
• available

Steps

1. Activate Tawnos' second ability by paying , tapping it, sacrificing two artifact tokens and exiling Workhorse from your graveyard, creating a token copy of Workhorse
2. Activate the Workhorse token three times by removing three +1/+1 counters from it, adding
3. Activate Aura of Dominion by paying and tapping the Workhorse token, untapping Tawnos
4. Activate Tawnos' first ability by paying and tapping it, creating a token copy of the Workhorse token and causing you to mill two cards
5. Repeat from step 2

Results

• Infinite colorless mana
• Infinite copies of artifact tokens you control
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite tapped creature tokens