Requires

Grenzo, Dungeon Warden must be on the battlefield. Workhorse must be on the battlefield. Malevolent Chandelier must be on the battlefield. Mana needed: minus for each +1/+1 counter on Workhorse

Steps

1. Activate Workhorse by removing a +1/+1 counter from it, adding .
2. Repeat step 1 until Workhorse dies as a state-based action due to having 0 toughness.
3. Activate Malevolent Chandelier by paying , putting Workhorse from your graveyard onto the bottom of your library.
4. Activate Grenzo by paying , putting Workhorse from the bottom of your library into your graveyard, and then putting it onto the battlefield with four +1/+1 counters on it due to its static effect.
5. Repeat.

Results