Ao, the Dawn Sky + Nim Deathmantle + Phyrexian Altar + and 2 others

GW identity

Commander legal

The 5 combo pieces

• Ao, the Dawn Sky
• Nim Deathmantle
• Phyrexian Altar
• Vorinclex, Monstrous Raider
• Workhorse

How to execute it

1. Activate Phyrexian Altar by sacrificing Ao, adding one mana of any color.
2. Ao dies, triggering itself and Nim Deathmantle.
3. Resolve the Ao trigger, putting four +1/+1 counters on each creature and Vehicle you control.
4. Activate Workhorse by removing four +1/+1 counters from it, adding {C}{C}{C}{C}.
5. Resolve the Nim Deathmantle trigger, causing you to pay {4} to return Ao from your graveyard to the battlefield, and then attach Nim Deathmantle to it.
6. Repeat.

What the combo produces

• Infinite +1/+1 counters on all Vehicles you control
• Infinite +1/+1 counters on most creatures you control
• Infinite colored mana
• Infinite colorless mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Put a selection of permanent cards from your library onto the battlefield