Aerie Ouphes, The Great Henge, and Phyrexian Altar

Prerequisites

• Aerie Ouphes on the battlefield
• The Great Henge on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Aerie Ouphes, adding one mana of any color
2. Aerie Ouphes' persist ability triggers, returning it from your graveyard to the battlefield
3. Aerie Ouphes enters the battlefield, triggering The Great Henge, putting one +1/+1 counter on Aerie Ouphes and causing you to draw a card
4. Repeat

Results

• Infinite card draw
• Infinite colored mana
• Infinite ETB
• Infinite LTB