Infinite +1/+1 counters on most creatures you control, Infinite +1/+1 counters on all Vehicles you control, Infinite colored mana, Infinite colorless mana, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers, Put a selection of permanent cards from your library onto the battlefield
Activate Phyrexian Altar by sacrificing Ao, adding one mana of any color.
Ao dies, triggering itself and Nim Deathmantle.
Resolve the Ao trigger, putting four +1/+1 counters on each creature and Vehicle you control.
Activate Workhorse by removing four +1/+1 counters from it, adding .
Resolve the Nim Deathmantle trigger, causing you to pay to return Ao from your graveyard to the battlefield, and then attach Nim Deathmantle to it.
Repeat.
Component Cards
How It Works
Activate Phyrexian Altar by sacrificing Ao, adding one mana of any color.
Ao dies, triggering itself and Nim Deathmantle.
Resolve the Ao trigger, putting four +1/+1 counters on each creature and Vehicle you control.
Activate Workhorse by removing four +1/+1 counters from it, adding .
Resolve the Nim Deathmantle trigger, causing you to pay to return Ao from your graveyard to the battlefield, and then attach Nim Deathmantle to it.
Repeat.