Infinite colorless mana, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite storm count
Cast Workhorse by paying , causing it to enter the battlefield with eight +1/+1 counters on it due to Corpsejack Menace.
Activate Workhorse by removing a +1/+1 counter from it, adding .
Repeat step 2 until Workhorse has no +1/+1 counters on it.
Workhorse dies as a state-based action due to having 0 toughness, triggering Enduring Renewal, returning Workhorse from your graveyard to your hand.
Repeat.
Component Cards
How It Works
Cast Workhorse by paying , causing it to enter the battlefield with eight +1/+1 counters on it due to Corpsejack Menace.
Activate Workhorse by removing a +1/+1 counter from it, adding .
Repeat step 2 until Workhorse has no +1/+1 counters on it.
Workhorse dies as a state-based action due to having 0 toughness, triggering Enduring Renewal, returning Workhorse from your graveyard to your hand.
Repeat.