Requires

Tawnos, Solemn Survivor must be on the battlefield. Aura of Dominion must be on the battlefield. Workhorse must be in the graveyard. Tawnos does not have summoning sickness. Aura of Dominion attached to Tawnos. You control at least two artifact tokens. Mana needed:

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